diff --git a/src/core/file_sys/devices/console_device.h b/src/core/file_sys/devices/console_device.h
index 76369872f..d6aaaa40a 100644
--- a/src/core/file_sys/devices/console_device.h
+++ b/src/core/file_sys/devices/console_device.h
@@ -11,7 +11,7 @@
 #define DEVICE_STUB()                                                                              \
     {                                                                                              \
         LOG_ERROR(Kernel_Fs, "(STUBBED) called");                                                  \
-        return -QUASI_ENOSYS;                                                                      \
+        return -POSIX_ENOSYS;                                                                      \
     }
 
 namespace Core::Devices {
diff --git a/src/core/file_sys/devices/deci_tty6_device.h b/src/core/file_sys/devices/deci_tty6_device.h
index f5c3f9002..54023498c 100644
--- a/src/core/file_sys/devices/deci_tty6_device.h
+++ b/src/core/file_sys/devices/deci_tty6_device.h
@@ -11,7 +11,7 @@
 #define DEVICE_STUB()                                                                              \
     {                                                                                              \
         LOG_ERROR(Kernel_Fs, "(STUBBED) called");                                                  \
-        return -QUASI_ENOSYS;                                                                      \
+        return -POSIX_ENOSYS;                                                                      \
     }
 
 namespace Core::Devices {
diff --git a/src/core/file_sys/devices/logger.h b/src/core/file_sys/devices/logger.h
index 2ead3a117..82cd1a228 100644
--- a/src/core/file_sys/devices/logger.h
+++ b/src/core/file_sys/devices/logger.h
@@ -14,7 +14,7 @@
 #define DEVICE_STUB()                                                                              \
     {                                                                                              \
         LOG_ERROR(Kernel_Fs, "(STUBBED) called");                                                  \
-        return -QUASI_ENOSYS;                                                                      \
+        return -POSIX_ENOSYS;                                                                      \
     }
 
 namespace Core::Devices {
diff --git a/src/core/file_sys/devices/null_device.h b/src/core/file_sys/devices/null_device.h
index 7302f2181..584adc73a 100644
--- a/src/core/file_sys/devices/null_device.h
+++ b/src/core/file_sys/devices/null_device.h
@@ -10,7 +10,7 @@
 #define DEVICE_STUB()                                                                              \
     {                                                                                              \
         LOG_ERROR(Kernel_Fs, "(STUBBED) called");                                                  \
-        return -QUASI_ENOSYS;                                                                      \
+        return -POSIX_ENOSYS;                                                                      \
     }
 
 namespace Core::Devices {
diff --git a/src/core/file_sys/devices/random_device.h b/src/core/file_sys/devices/random_device.h
index 8af3ee042..a3cfde7de 100644
--- a/src/core/file_sys/devices/random_device.h
+++ b/src/core/file_sys/devices/random_device.h
@@ -10,7 +10,7 @@
 #define DEVICE_STUB()                                                                              \
     {                                                                                              \
         LOG_ERROR(Kernel_Fs, "(STUBBED) called");                                                  \
-        return -QUASI_ENOSYS;                                                                      \
+        return -POSIX_ENOSYS;                                                                      \
     }
 
 namespace Core::Devices {
diff --git a/src/core/file_sys/devices/rng_device.h b/src/core/file_sys/devices/rng_device.h
index ed13ec320..426252db8 100644
--- a/src/core/file_sys/devices/rng_device.h
+++ b/src/core/file_sys/devices/rng_device.h
@@ -10,7 +10,7 @@
 #define DEVICE_STUB()                                                                              \
     {                                                                                              \
         LOG_ERROR(Kernel_Fs, "(STUBBED) called");                                                  \
-        return -QUASI_ENOSYS;                                                                      \
+        return -POSIX_ENOSYS;                                                                      \
     }
 
 namespace Core::Devices {
diff --git a/src/core/file_sys/devices/srandom_device.h b/src/core/file_sys/devices/srandom_device.h
index 67562bc79..7b18b04b9 100644
--- a/src/core/file_sys/devices/srandom_device.h
+++ b/src/core/file_sys/devices/srandom_device.h
@@ -10,7 +10,7 @@
 #define DEVICE_STUB()                                                                              \
     {                                                                                              \
         LOG_ERROR(Kernel_Fs, "(STUBBED) called");                                                  \
-        return -QUASI_ENOSYS;                                                                      \
+        return -POSIX_ENOSYS;                                                                      \
     }
 
 namespace Core::Devices {
diff --git a/src/core/file_sys/devices/zero_device.h b/src/core/file_sys/devices/zero_device.h
index 8b15e3423..4740ecdf2 100644
--- a/src/core/file_sys/devices/zero_device.h
+++ b/src/core/file_sys/devices/zero_device.h
@@ -10,7 +10,7 @@
 #define DEVICE_STUB()                                                                              \
     {                                                                                              \
         LOG_ERROR(Kernel_Fs, "(STUBBED) called");                                                  \
-        return -QUASI_ENOSYS;                                                                      \
+        return -POSIX_ENOSYS;                                                                      \
     }
 
 namespace Core::Devices {
diff --git a/src/core/file_sys/hostio/src/host_io_linux2bsd.h b/src/core/file_sys/hostio/src/host_io_linux2bsd.h
new file mode 100644
index 000000000..0a082bcc6
--- /dev/null
+++ b/src/core/file_sys/hostio/src/host_io_linux2bsd.h
@@ -0,0 +1,14 @@
+#include <fcntl.h>
+
+#include "common/assert.h"
+#include "core/libraries/kernel/posix_error.h"
+
+// Convert linux/unix errno to FreeBSD errno
+// They differ in higher errno numbers, which may throw Orbis off quite a bit
+
+s32 posix2bsd(s32 id) {
+    switch (id) {
+    default:
+        UNREACHABLE_MSG("Unknown POSIX errno");
+    }
+}
\ No newline at end of file
diff --git a/src/core/file_sys/hostio/src/host_io_posix.cpp b/src/core/file_sys/hostio/src/host_io_posix.cpp
index 5aa45765f..5bbad39ea 100644
--- a/src/core/file_sys/hostio/src/host_io_posix.cpp
+++ b/src/core/file_sys/hostio/src/host_io_posix.cpp
@@ -18,6 +18,7 @@
 #include "core/file_sys/quasifs/quasifs_partition.h"
 
 #include "host_io_base.h"
+#include "host_io_linux2bsd.h"
 
 namespace HostIODriver {
 
@@ -259,6 +260,6 @@ s32 HostIO_POSIX::FChmod(const s32 fd, u16 mode) {
     return 0 == status ? status : -errno;
 }
 
-// s32 HostIO_POSIX::GetDents(void* buf, u32 count, s64* basep) { return -QUASI_ENOSYS; }
+// s32 HostIO_POSIX::GetDents(void* buf, u32 count, s64* basep) { return -POSIX_ENOSYS; }
 
 } // namespace HostIODriver
\ No newline at end of file
diff --git a/src/core/file_sys/hostio/src/host_io_virtual.cpp b/src/core/file_sys/hostio/src/host_io_virtual.cpp
index 19eb1fe8e..9d847ca05 100644
--- a/src/core/file_sys/hostio/src/host_io_virtual.cpp
+++ b/src/core/file_sys/hostio/src/host_io_virtual.cpp
@@ -10,8 +10,8 @@
 #include "core/file_sys/quasifs/quasifs_inode_quasi_file.h"
 #include "core/file_sys/quasifs/quasifs_inode_symlink.h"
 #include "core/file_sys/quasifs/quasifs_partition.h"
+#include "core/libraries/kernel/posix_error.h"
 #include "src/core/file_sys/hostio/host_io_virtual.h"
-#include "src/core/file_sys/quasifs/quasi_errno.h"
 #include "src/core/file_sys/quasifs/quasi_sys_fcntl.h"
 #include "src/core/file_sys/quasifs/quasi_types.h"
 #include "src/core/file_sys/quasifs/quasifs_inode_quasi_file_virtual.h"
@@ -28,7 +28,7 @@ s32 HostIO_Virtual::Open(const fs::path& path, s32 flags, u16 mode) {
         LOG_WARNING(Kernel_Fs, "open() received unknown flags: {:x}", remainder);
 
     if (nullptr == this->res)
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
 
     partition_ptr part = this->res->mountpoint;
     dir_ptr parent = this->res->parent;
@@ -37,17 +37,17 @@ s32 HostIO_Virtual::Open(const fs::path& path, s32 flags, u16 mode) {
     bool exists = this->res->node != nullptr;
 
     if (exists && (flags & QUASI_O_EXCL) && (flags & QUASI_O_CREAT))
-        return -QUASI_EEXIST;
+        return -POSIX_EEXIST;
 
     if (!exists) {
         if ((flags & QUASI_O_CREAT) == 0)
-            return -QUASI_ENOENT;
+            return -POSIX_ENOENT;
 
         target = this->host_bound ? RegularFile::Create() : VirtualFile::Create();
         target->chmod(mode);
         if (0 != part->touch(parent, this->res->leaf, target))
             // touch failed in target directory, issue with resolve() is most likely
-            return -QUASI_EFAULT;
+            return -POSIX_EFAULT;
 
         this->res->node = target;
     }
@@ -61,11 +61,11 @@ s32 HostIO_Virtual::Open(const fs::path& path, s32 flags, u16 mode) {
     // if exists and is a directory, can't be opened with any kind of write
     if (exists && (target->is_dir() || (flags & QUASI_O_DIRECTORY)) &&
         (flags & (QUASI_O_TRUNC | QUASI_O_RDWR | QUASI_O_WRONLY)))
-        return -QUASI_EISDIR;
+        return -POSIX_EISDIR;
 
     if ((flags & QUASI_O_DIRECTORY) && !target->is_dir())
         // opening dirs isn't supported yet
-        return -QUASI_ENOTDIR;
+        return -POSIX_ENOTDIR;
 
     if (flags & (QUASI_O_NONBLOCK | QUASI_O_SYNC | QUASI_O_DIRECT | QUASI_O_DSYNC)) {
         // unused, not affecting file manip per-se
@@ -85,7 +85,7 @@ s32 HostIO_Virtual::Close(const s32 fd) {
 
 s32 HostIO_Virtual::Link(const fs::path& src, const fs::path& dst) {
     if (nullptr == this->res)
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
 
     partition_ptr part = this->res->mountpoint;
     inode_ptr src_node = this->res->node;
@@ -98,7 +98,7 @@ s32 HostIO_Virtual::Link(const fs::path& src, const fs::path& dst) {
         return res_status;
 
     if (!dst_res.node->is_dir())
-        return -QUASI_ENOTDIR;
+        return -POSIX_ENOTDIR;
 
     dir_ptr dst_parent = std::static_pointer_cast<Directory>(dst_res.node);
     return part->link(src_node, dst_parent, dst_name);
@@ -106,12 +106,12 @@ s32 HostIO_Virtual::Link(const fs::path& src, const fs::path& dst) {
 
 s32 HostIO_Virtual::Unlink(const fs::path& path) {
     if (nullptr == this->res)
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
     if ("." == this->res->leaf)
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
 
     if (nullptr == this->res->node)
-        return -QUASI_ENOENT;
+        return -POSIX_ENOENT;
 
     partition_ptr part = this->res->mountpoint;
     dir_ptr parent = this->res->parent;
@@ -120,7 +120,7 @@ s32 HostIO_Virtual::Unlink(const fs::path& path) {
 
 s32 HostIO_Virtual::LinkSymbolic(const fs::path& src, const fs::path& dst) {
     if (nullptr == this->res)
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
 
     symlink_ptr sym = Symlink::Create(src);
     // symlink counter is never increased
@@ -136,29 +136,29 @@ s32 HostIO_Virtual::Flush(const s32 fd) {
 
 s32 HostIO_Virtual::FSync(const s32 fd) {
     if (nullptr == handle)
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
 
     inode_ptr node = handle->node;
 
     if (nullptr == node)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     return handle->node->fsync();
 }
 
 s64 HostIO_Virtual::LSeek(const s32 fd, s64 offset, s32 whence) {
     if (nullptr == handle)
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
 
     inode_ptr node = handle->node;
 
     if (nullptr == node)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     s64 new_position = node->lseek(handle->pos, offset, whence);
 
     if (new_position < 0)
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
 
     handle->pos = new_position;
     return handle->pos;
@@ -170,30 +170,30 @@ s64 HostIO_Virtual::Tell(const s32 fd) {
 
 s32 HostIO_Virtual::Truncate(const fs::path& path, u64 size) {
     if (nullptr == this->res)
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
 
     inode_ptr node = this->res->node;
 
     if (nullptr == node)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     if (node->is_dir())
-        return -QUASI_EISDIR;
+        return -POSIX_EISDIR;
 
     if (!node->is_file())
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
 
     return node->ftruncate(size);
 }
 
 s32 HostIO_Virtual::FTruncate(const s32 fd, u64 size) {
     if (nullptr == handle)
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
 
     inode_ptr node = handle->node;
 
     if (nullptr == node)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     return handle->node->ftruncate(size);
 }
@@ -209,12 +209,12 @@ s64 HostIO_Virtual::Read(const s32 fd, void* buf, u64 count) {
 
 s64 HostIO_Virtual::PRead(const s32 fd, void* buf, u64 count, s64 offset) {
     if (nullptr == handle)
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
 
     inode_ptr node = handle->node;
 
     if (nullptr == node)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     return node->pread(buf, count, offset);
 }
@@ -230,12 +230,12 @@ s64 HostIO_Virtual::ReadV(const s32 fd, OrbisKernelIovec* iov, u32 iovcnt) {
 
 s64 HostIO_Virtual::PReadV(const s32 fd, OrbisKernelIovec* iov, u32 iovcnt, s64 offset) {
     if (nullptr == handle)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     inode_ptr node = handle->node;
 
     if (nullptr == node)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     if (handle->append)
         offset = node->st.st_size;
@@ -254,12 +254,12 @@ s64 HostIO_Virtual::Write(const s32 fd, const void* buf, u64 count) {
 
 s64 HostIO_Virtual::PWrite(const s32 fd, const void* buf, u64 count, s64 offset) {
     if (nullptr == handle)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     inode_ptr node = handle->node;
 
     if (nullptr == node)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     if (handle->append)
         offset = node->st.st_size;
@@ -278,12 +278,12 @@ s64 HostIO_Virtual::WriteV(const s32 fd, const OrbisKernelIovec* iov, u32 iovcnt
 
 s64 HostIO_Virtual::PWriteV(const s32 fd, const OrbisKernelIovec* iov, u32 iovcnt, s64 offset) {
     if (nullptr == handle)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     inode_ptr node = handle->node;
 
     if (nullptr == node)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     if (handle->append)
         offset = node->st.st_size;
@@ -293,14 +293,14 @@ s64 HostIO_Virtual::PWriteV(const s32 fd, const OrbisKernelIovec* iov, u32 iovcn
 
 s32 HostIO_Virtual::MKDir(const fs::path& path, u16 mode) {
     if (nullptr == this->res)
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
 
     return this->res->mountpoint->mkdir(this->res->parent, this->res->leaf);
 }
 
 s32 HostIO_Virtual::RMDir(const fs::path& path) {
     if (nullptr == this->res)
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
 
     // EINVAL on . as last element
 
@@ -308,7 +308,7 @@ s32 HostIO_Virtual::RMDir(const fs::path& path) {
     dir_ptr parent = this->res->parent;
 
     if (parent->mounted_root)
-        return -QUASI_EBUSY;
+        return -POSIX_EBUSY;
 
     if (int unlink_status = res->mountpoint->rmdir(parent, this->res->leaf); unlink_status != 0)
         return unlink_status;
@@ -316,7 +316,7 @@ s32 HostIO_Virtual::RMDir(const fs::path& path) {
     auto target_nlink = res->node->st.st_nlink;
     if (target_nlink != 0) {
         LOG_ERROR(Kernel_Fs, "RMDir'd directory nlink is not 0!", "(is ", target_nlink, ")");
-        return -QUASI_ENOTEMPTY;
+        return -POSIX_ENOTEMPTY;
     }
 
     return 0;
@@ -324,12 +324,12 @@ s32 HostIO_Virtual::RMDir(const fs::path& path) {
 
 s32 HostIO_Virtual::Stat(const fs::path& path, OrbisKernelStat* statbuf) {
     if (nullptr == this->res)
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
 
     inode_ptr node = this->res->node;
 
     if (nullptr == node)
-        return -QUASI_ENOENT;
+        return -POSIX_ENOENT;
 
     memcpy(statbuf, &node->st, sizeof(OrbisKernelStat));
 
@@ -338,12 +338,12 @@ s32 HostIO_Virtual::Stat(const fs::path& path, OrbisKernelStat* statbuf) {
 
 s32 HostIO_Virtual::FStat(const s32 fd, OrbisKernelStat* statbuf) {
     if (nullptr == this->handle)
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
 
     inode_ptr node = this->handle->node;
 
     if (nullptr == node)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     memcpy(statbuf, &node->st, sizeof(OrbisKernelStat));
 
@@ -352,36 +352,36 @@ s32 HostIO_Virtual::FStat(const s32 fd, OrbisKernelStat* statbuf) {
 
 s32 HostIO_Virtual::Chmod(const fs::path& path, u16 mode) {
     if (nullptr == this->res)
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
 
     inode_ptr node = this->res->node;
 
     if (nullptr == node)
-        return -QUASI_ENOENT;
+        return -POSIX_ENOENT;
 
     return Partition::chmod(node, mode);
 }
 
 s32 HostIO_Virtual::FChmod(const s32 fd, u16 mode) {
     if (nullptr == this->handle)
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
 
     inode_ptr node = this->handle->node;
 
     if (nullptr == node)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     return Partition::chmod(node, mode);
 }
 
 s64 HostIO_Virtual::GetDents(const s32 fd, void* buf, u64 count, s64* basep) {
     if (nullptr == this->handle)
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
 
     inode_ptr node = this->handle->node;
 
     if (nullptr == node)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     // GetDents must have read size equal to or greater than block size for that FS
     // In most cases it's 512 bytes
@@ -389,7 +389,7 @@ s64 HostIO_Virtual::GetDents(const s32 fd, void* buf, u64 count, s64* basep) {
     if (count < 512) {
         LOG_ERROR(Kernel_Fs,
                   "(Partial STUB) check for block size associated. Read size must be greater");
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
     }
 
     s64 br = node->getdents(buf, count, handle->pos, basep);
diff --git a/src/core/file_sys/quasifs/quasi_errno.h b/src/core/file_sys/quasifs/quasi_errno.h
deleted file mode 100644
index 6fbd35183..000000000
--- a/src/core/file_sys/quasifs/quasi_errno.h
+++ /dev/null
@@ -1,156 +0,0 @@
-// INAA License @marecl 2025
-
-#pragma once
-
-#include <cstdint>
-
-#define QUASI_EPERM 1    /* Operation not permitted */
-#define QUASI_ENOENT 2   /* No such file or directory */
-#define QUASI_ESRCH 3    /* No such process */
-#define QUASI_EINTR 4    /* Interrupted system call */
-#define QUASI_EIO 5      /* I/O error */
-#define QUASI_ENXIO 6    /* No such device or address */
-#define QUASI_E2BIG 7    /* Argument list too long */
-#define QUASI_ENOEXEC 8  /* Exec format error */
-#define QUASI_EBADF 9    /* Bad file number */
-#define QUASI_ECHILD 10  /* No child processes */
-#define QUASI_EAGAIN 11  /* Try again */
-#define QUASI_ENOMEM 12  /* Out of memory */
-#define QUASI_EACCES 13  /* Permission denied */
-#define QUASI_EFAULT 14  /* Bad address */
-#define QUASI_ENOTBLK 15 /* Block device required */
-#define QUASI_EBUSY 16   /* Device or resource busy */
-#define QUASI_EEXIST 17  /* File exists */
-#define QUASI_EXDEV 18   /* Cross-device link */
-#define QUASI_ENODEV 19  /* No such device */
-#define QUASI_ENOTDIR 20 /* Not a directory */
-#define QUASI_EISDIR 21  /* Is a directory */
-#define QUASI_EINVAL 22  /* Invalid argument */
-#define QUASI_ENFILE 23  /* File table overflow */
-#define QUASI_EMFILE 24  /* Too many open files */
-#define QUASI_ENOTTY 25  /* Not a typewriter */
-#define QUASI_ETXTBSY 26 /* Text file busy */
-#define QUASI_EFBIG 27   /* File too large */
-#define QUASI_ENOSPC 28  /* No space left on device */
-#define QUASI_ESPIPE 29  /* Illegal seek */
-#define QUASI_EROFS 30   /* Read-only file system */
-#define QUASI_EMLINK 31  /* Too many links */
-#define QUASI_EPIPE 32   /* Broken pipe */
-#define QUASI_EDOM 33    /* Math argument out of domain of func */
-#define QUASI_ERANGE 34  /* Math result not representable */
-
-#define QUASI_EDEADLK 35      /* Resource deadlock would occur */
-#define QUASI_ENAMETOOLONG 36 /* File name too long */
-#define QUASI_ENOLCK 37       /* No record locks available */
-
-/*
- * This error code is special: arch syscall entry code will return
- * -ENOSYS if users try to call a syscall that doesn't exist.  To keep
- * failures of syscalls that really do exist distinguishable from
- * failures due to attempts to use a nonexistent syscall, syscall
- * implementations should refrain from returning -ENOSYS.
- */
-#define QUASI_ENOSYS 38 /* Invalid system call number */
-
-#define QUASI_ENOTEMPTY 39       /* Directory not empty */
-#define QUASI_ELOOP 40           /* Too many symbolic links encountered */
-#define QUASI_EWOULDBLOCK EAGAIN /* Operation would block */
-#define QUASI_ENOMSG 42          /* No message of desired type */
-#define QUASI_EIDRM 43           /* Identifier removed */
-#define QUASI_ECHRNG 44          /* Channel number out of range */
-#define QUASI_EL2NSYNC 45        /* Level 2 not synchronized */
-#define QUASI_EL3HLT 46          /* Level 3 halted */
-#define QUASI_EL3RST 47          /* Level 3 reset */
-#define QUASI_ELNRNG 48          /* Link number out of range */
-#define QUASI_EUNATCH 49         /* Protocol driver not attached */
-#define QUASI_ENOCSI 50          /* No CSI structure available */
-#define QUASI_EL2HLT 51          /* Level 2 halted */
-#define QUASI_EBADE 52           /* Invalid exchange */
-#define QUASI_EBADR 53           /* Invalid request descriptor */
-#define QUASI_EXFULL 54          /* Exchange full */
-#define QUASI_ENOANO 55          /* No anode */
-#define QUASI_EBADRQC 56         /* Invalid request code */
-#define QUASI_EBADSLT 57         /* Invalid slot */
-
-#define QUASI_EDEADLOCK QUASI_EDEADLK
-
-#define QUASI_EBFONT 59          /* Bad font file format */
-#define QUASI_ENOSTR 60          /* Device not a stream */
-#define QUASI_ENODATA 61         /* No data available */
-#define QUASI_ETIME 62           /* Timer expired */
-#define QUASI_ENOSR 63           /* Out of streams resources */
-#define QUASI_ENONET 64          /* Machine is not on the network */
-#define QUASI_ENOPKG 65          /* Package not installed */
-#define QUASI_EREMOTE 66         /* Object is remote */
-#define QUASI_ENOLINK 67         /* Link has been severed */
-#define QUASI_EADV 68            /* Advertise error */
-#define QUASI_ESRMNT 69          /* Srmount error */
-#define QUASI_ECOMM 70           /* Communication error on send */
-#define QUASI_EPROTO 71          /* Protocol error */
-#define QUASI_EMULTIHOP 72       /* Multihop attempted */
-#define QUASI_EDOTDOT 73         /* RFS specific error */
-#define QUASI_EBADMSG 74         /* Not a data message */
-#define QUASI_EOVERFLOW 75       /* Value too large for defined data type */
-#define QUASI_ENOTUNIQ 76        /* Name not unique on network */
-#define QUASI_EBADFD 77          /* File descriptor in bad state */
-#define QUASI_EREMCHG 78         /* Remote address changed */
-#define QUASI_ELIBACC 79         /* Can not access a needed shared library */
-#define QUASI_ELIBBAD 80         /* Accessing a corrupted shared library */
-#define QUASI_ELIBSCN 81         /* .lib section in a.out corrupted */
-#define QUASI_ELIBMAX 82         /* Attempting to link in too many shared libraries */
-#define QUASI_ELIBEXEC 83        /* Cannot exec a shared library directly */
-#define QUASI_EILSEQ 84          /* Illegal byte sequence */
-#define QUASI_ERESTART 85        /* Interrupted system call should be restarted */
-#define QUASI_ESTRPIPE 86        /* Streams pipe error */
-#define QUASI_EUSERS 87          /* Too many users */
-#define QUASI_ENOTSOCK 88        /* Socket operation on non-socket */
-#define QUASI_EDESTADDRREQ 89    /* Destination address required */
-#define QUASI_EMSGSIZE 90        /* Message too long */
-#define QUASI_EPROTOTYPE 91      /* Protocol wrong type for socket */
-#define QUASI_ENOPROTOOPT 92     /* Protocol not available */
-#define QUASI_EPROTONOSUPPORT 93 /* Protocol not supported */
-#define QUASI_ESOCKTNOSUPPORT 94 /* Socket type not supported */
-#define QUASI_EOPNOTSUPP 95      /* Operation not supported on transport endpoint */
-#define QUASI_EPFNOSUPPORT 96    /* Protocol family not supported */
-#define QUASI_EAFNOSUPPORT 97    /* Address family not supported by protocol */
-#define QUASI_EADDRINUSE 98      /* Address already in use */
-#define QUASI_EADDRNOTAVAIL 99   /* Cannot assign requested address */
-#define QUASI_ENETDOWN 100       /* Network is down */
-#define QUASI_ENETUNREACH 101    /* Network is unreachable */
-#define QUASI_ENETRESET 102      /* Network dropped connection because of reset */
-#define QUASI_ECONNABORTED 103   /* Software caused connection abort */
-#define QUASI_ECONNRESET 104     /* Connection reset by peer */
-#define QUASI_ENOBUFS 105        /* No buffer space available */
-#define QUASI_EISCONN 106        /* Transport endpoint is already connected */
-#define QUASI_ENOTCONN 107       /* Transport endpoint is not connected */
-#define QUASI_ESHUTDOWN 108      /* Cannot send after transport endpoint shutdown */
-#define QUASI_ETOOMANYREFS 109   /* Too many references: cannot splice */
-#define QUASI_ETIMEDOUT 110      /* Connection timed out */
-#define QUASI_ECONNREFUSED 111   /* Connection refused */
-#define QUASI_EHOSTDOWN 112      /* Host is down */
-#define QUASI_EHOSTUNREACH 113   /* No route to host */
-#define QUASI_EALREADY 114       /* Operation already in progress */
-#define QUASI_EINPROGRESS 115    /* Operation now in progress */
-#define QUASI_ESTALE 116         /* Stale file handle */
-#define QUASI_EUCLEAN 117        /* Structure needs cleaning */
-#define QUASI_ENOTNAM 118        /* Not a XENIX named type file */
-#define QUASI_ENAVAIL 119        /* No XENIX semaphores available */
-#define QUASI_EISNAM 120         /* Is a named type file */
-#define QUASI_EREMOTEIO 121      /* Remote I/O error */
-#define QUASI_EDQUOT 122         /* Quota exceeded */
-
-#define QUASI_ENOMEDIUM 123    /* No medium found */
-#define QUASI_EMEDIUMTYPE 124  /* Wrong medium type */
-#define QUASI_ECANCELED 125    /* Operation Canceled */
-#define QUASI_ENOKEY 126       /* Required key not available */
-#define QUASI_EKEYEXPIRED 127  /* Key has expired */
-#define QUASI_EKEYREVOKED 128  /* Key has been revoked */
-#define QUASI_EKEYREJECTED 129 /* Key was rejected by service */
-
-/* for robust mutexes */
-#define QUASI_EOWNERDEAD 130      /* Owner died */
-#define QUASI_ENOTRECOVERABLE 131 /* State not recoverable */
-
-#define QUASI_ERFKILL 132 /* Operation not possible due to RF-kill */
-
-#define QUASI_EHWPOISON 133 /* Memory page has hardware error */
\ No newline at end of file
diff --git a/src/core/file_sys/quasifs/quasifs.h b/src/core/file_sys/quasifs/quasifs.h
index ea4620f29..cf7b4e41f 100644
--- a/src/core/file_sys/quasifs/quasifs.h
+++ b/src/core/file_sys/quasifs/quasifs.h
@@ -6,9 +6,9 @@
 #include <unordered_map>
 
 #include "common/types.h"
+#include "core/libraries/kernel/posix_error.h"
 #include "src/core/file_sys/hostio/host_io.h"
 
-#include "quasi_errno.h"
 #include "quasi_types.h"
 #include "quasifs_inode.h"
 
@@ -188,22 +188,22 @@ public:
     //
 
     int64_t GetSize(const fs::path& path) {
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
     };
     int64_t GetSize(const fs::path& path, std::error_code& ec) noexcept {
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
     };
     bool Exists(const fs::path& path) {
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
     };
     bool Exists(const fs::path& path, std::error_code& ec) noexcept {
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
     };
     bool IsDirectory(const fs::path& path) {
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
     };
     bool IsDirectory(const fs::path& path, std::error_code& ec) noexcept {
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
     };
     fs::path AbsolutePath(const fs::path& path) {
         return "";
@@ -212,10 +212,10 @@ public:
         return "";
     };
     bool Remove(const fs::path& path) {
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
     };
     bool Remove(const fs::path& path, std::error_code& ec) noexcept {
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
     };
     uint64_t RemoveAll(const fs::path& path) = delete;
     uint64_t RemoveAll(const fs::path& path, std::error_code& ec) noexcept = delete;
@@ -231,20 +231,20 @@ public:
 
     // 0777 to mimic default C++ mode (std::filesystem::perms::all)
     bool CreateDirectory(const fs::path& path, int mode = 0777) {
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
     };
     bool CreateDirectory(const fs::path& path, std::error_code& ec, int mode = 0777) noexcept {
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
     };
     bool CreateDirectory(const fs::path& path, const fs::path& existing_path,
                          int mode = 0777) = delete;
     bool CreateDirectory(const fs::path& path, const fs::path& existing_path, std::error_code& ec,
                          int mode = 0777) noexcept = delete;
     bool CreateDirectories(const fs::path& path, int mode = 0777) {
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
     };
     bool CreateDirectories(const fs::path& path, std::error_code& ec, int mode = 0777) noexcept {
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
     };
 
     fd_handle_ptr GetHandle(s32 fd);
diff --git a/src/core/file_sys/quasifs/quasifs_inode.h b/src/core/file_sys/quasifs/quasifs_inode.h
index 689580cab..a97c0f414 100644
--- a/src/core/file_sys/quasifs/quasifs_inode.h
+++ b/src/core/file_sys/quasifs/quasifs_inode.h
@@ -9,8 +9,8 @@
 #include "common/types.h"
 #include "common/va_ctx.h"
 #include "core/libraries/kernel/file_system.h"
+#include "core/libraries/kernel/posix_error.h"
 
-#include "quasi_errno.h"
 #include "quasi_sys_stat.h"
 #include "quasi_types.h"
 
@@ -39,15 +39,15 @@ public:
     virtual ~Inode() = default;
 
     virtual s32 ioctl(u64 cmd, Common::VaCtx* args) {
-        return -QUASI_ENOTTY;
+        return -POSIX_ENOTTY;
     }
 
     virtual s64 pread(void* buf, u64 count, s64 offset) {
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
     }
 
     virtual s64 pwrite(const void* buf, u64 count, s64 offset) {
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
     }
 
     virtual s64 preadv(const Libraries::Kernel::OrbisKernelIovec* iov, u32 iovcnt, s64 offset) {
@@ -84,15 +84,15 @@ public:
     }
 
     virtual s32 fsync() {
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
     }
 
     virtual s32 ftruncate(s64 length) {
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
     }
 
     virtual s64 getdents(void* buf, u32 count, s64 offset, s64* basep) {
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
     }
 
     // type helpers
diff --git a/src/core/file_sys/quasifs/src/quasifs.cpp b/src/core/file_sys/quasifs/src/quasifs.cpp
index d306fff24..875d5c8b6 100644
--- a/src/core/file_sys/quasifs/src/quasifs.cpp
+++ b/src/core/file_sys/quasifs/src/quasifs.cpp
@@ -4,7 +4,6 @@
 
 #include "common/logging/log.h"
 
-#include "core/file_sys/quasifs/quasi_errno.h"
 #include "core/file_sys/quasifs/quasi_types.h"
 #include "core/file_sys/quasifs/quasifs.h"
 #include "core/file_sys/quasifs/quasifs_inode_quasi_directory.h"
@@ -13,6 +12,7 @@
 #include "core/file_sys/quasifs/quasifs_inode_quasi_file_virtual.h"
 #include "core/file_sys/quasifs/quasifs_inode_symlink.h"
 #include "core/file_sys/quasifs/quasifs_partition.h"
+#include "core/libraries/kernel/posix_error.h"
 
 namespace QuasiFS {
 std::string file_mode(u16 mode) {
@@ -140,10 +140,10 @@ int QFS::SyncHost(fs::path path) {
     int status = Resolve(path, res);
 
     if (0 != status)
-        return -QUASI_ENOENT;
+        return -POSIX_ENOENT;
 
     if (nullptr == res.mountpoint)
-        return -QUASI_ENOMEDIUM;
+        return -POSIX_ENODEV;
 
     SyncHostImpl(res.mountpoint);
 
@@ -159,14 +159,14 @@ int QFS::Mount(const fs::path& path, partition_ptr fs, unsigned int options) {
         return status;
 
     if (!res.node->is_dir())
-        return -QUASI_ENOTDIR;
+        return -POSIX_ENOTDIR;
 
     mount_t* existing_fs_options = GetPartitionInfo(fs);
 
     if (options & MountOptions::MOUNT_REMOUNT) {
         if (nullptr == existing_fs_options) {
             LOG_ERROR(Kernel_Fs, "Can't remount {}: Not mounted", path.string());
-            return -QUASI_EINVAL;
+            return -POSIX_EINVAL;
         }
 
         auto curopt = &existing_fs_options->options;
@@ -178,7 +178,7 @@ int QFS::Mount(const fs::path& path, partition_ptr fs, unsigned int options) {
     if (nullptr != existing_fs_options || dir->mounted_root) {
         // fs_options exists or there's something (else?) mounted there already
         LOG_ERROR(Kernel_Fs, "Can't mount {}: Already mounted", path.string());
-        return -QUASI_EEXIST;
+        return -POSIX_EEXIST;
     }
 
     if (options & MountOptions::MOUNT_BIND)
@@ -209,7 +209,7 @@ int QFS::Unmount(const fs::path& path) {
     mount_t* part_opts = GetPartitionInfo(part);
 
     if (nullptr == part_opts)
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
 
     dir_ptr options_parentdir = part_opts->parentdir;
     dir_ptr res_parentdir = res.parent;
@@ -221,7 +221,7 @@ int QFS::Unmount(const fs::path& path) {
 
     if (nullptr == res_rootdir)
         // mounted but rootdir disappeared O.o
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
 
     options_parentdir->mounted_root = nullptr;
     this->block_devices.erase(part);
@@ -236,7 +236,7 @@ int QFS::ForceInsert(const fs::path& path, const std::string& name, inode_ptr no
     if (0 != resolve_status)
         return resolve_status;
     if (!res.node->is_dir())
-        return -QUASI_ENOTDIR;
+        return -POSIX_ENOTDIR;
     return res.mountpoint->touch(std::static_pointer_cast<Directory>(res.node), name, node);
 }
 
@@ -244,9 +244,9 @@ int QFS::ForceInsert(const fs::path& path, const std::string& name, inode_ptr no
 // Debugging it is a royal PITA
 int QFS::Resolve(const fs::path& path, Resolved& res) {
     if (path.empty() || !path.string().starts_with("/"))
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
     // if (path.is_relative())
-    //     return -QUASI_EINVAL;
+    //     return -POSIX_EINVAL;
 
     // on return:
     // node - last element of the path (if exists)
@@ -312,7 +312,7 @@ int QFS::Resolve(const fs::path& path, Resolved& res) {
 
                 if (nullptr == mounted_partition) {
                     res.mountpoint = nullptr;
-                    return -QUASI_ENOENT;
+                    return -POSIX_ENOENT;
                 }
 
                 res.mountpoint = mounted_partition;
@@ -331,7 +331,7 @@ int QFS::Resolve(const fs::path& path, Resolved& res) {
     } while (--safety_counter > 0);
 
     if (0 == safety_counter)
-        return -QUASI_ELOOP;
+        return -POSIX_ELOOP;
 
     return 0;
 }
@@ -355,23 +355,23 @@ bool QFS::IsOpen(const s32 fd) noexcept {
 int QFS::SetSize(const s32 fd, uint64_t size) noexcept {
     fd_handle_ptr fh = this->GetHandle(fd);
     if (nullptr == fh)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
     return this->Operation.FTruncate(fd, size);
 }
 
 s64 QFS::GetSize(const s32 fd) noexcept {
     fd_handle_ptr fh = this->GetHandle(fd);
     if (nullptr == fh)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
     if (nullptr == fh->node)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     return fh->node->st.st_size;
 };
 
 s64 QFS::GetDirectorySize(const fs::path& path) noexcept {
     UNIMPLEMENTED();
-    return -QUASI_ENOSYS;
+    return -POSIX_ENOSYS;
 };
 
 //
@@ -489,7 +489,7 @@ partition_ptr QFS::GetPartitionByParent(const dir_ptr dir) {
 int QFS::IsPartitionRO(partition_ptr part) {
     mount_t* part_info = GetPartitionInfo(part);
     if (nullptr == part_info)
-        return -QUASI_ENODEV;
+        return -POSIX_ENODEV;
     if (part_info->options & MountOptions::MOUNT_RW)
         return 0;
     return 1;
diff --git a/src/core/file_sys/quasifs/src/quasifs_inode_quasi_device.cpp b/src/core/file_sys/quasifs/src/quasifs_inode_quasi_device.cpp
index f667e59f9..c3e21f6b0 100644
--- a/src/core/file_sys/quasifs/src/quasifs_inode_quasi_device.cpp
+++ b/src/core/file_sys/quasifs/src/quasifs_inode_quasi_device.cpp
@@ -16,11 +16,11 @@ Device::Device() {
 Device::~Device() = default;
 
 s64 Device::read(void* buf, u64 count) {
-    return -QUASI_EBADF;
+    return -POSIX_EBADF;
 }
 
 s64 Device::write(const void* buf, u64 count) {
-    return -QUASI_EBADF;
+    return -POSIX_EBADF;
 }
 
 s64 Device::pread(void* buf, u64 count, s64 offset) {
diff --git a/src/core/file_sys/quasifs/src/quasifs_inode_quasi_directory.cpp b/src/core/file_sys/quasifs/src/quasifs_inode_quasi_directory.cpp
index 72a2a9c54..b19a62225 100644
--- a/src/core/file_sys/quasifs/src/quasifs_inode_quasi_directory.cpp
+++ b/src/core/file_sys/quasifs/src/quasifs_inode_quasi_directory.cpp
@@ -4,8 +4,8 @@
 #include <string>
 
 #include "common/alignment.h"
-#include "core/file_sys/quasifs/quasi_errno.h"
 #include "core/file_sys/quasifs/quasifs_inode_quasi_directory.h"
+#include "core/libraries/kernel/posix_error.h"
 
 namespace QuasiFS {
 
@@ -37,7 +37,7 @@ s32 QuasiDirectory::fstat(Libraries::Kernel::OrbisKernelStat* sb) {
 }
 
 s32 QuasiDirectory::ftruncate(s64 length) {
-    return -QUASI_EISDIR;
+    return -POSIX_EISDIR;
 }
 
 s64 QuasiDirectory::getdents(void* buf, u32 count, s64 offset, s64* basep) {
@@ -77,9 +77,9 @@ inode_ptr QuasiDirectory::lookup(const std::string& name) {
 
 int QuasiDirectory::link(const std::string& name, inode_ptr child) {
     if (name.empty())
-        return -QUASI_ENOENT;
+        return -POSIX_ENOENT;
     if (entries.count(name))
-        return -QUASI_EEXIST;
+        return -POSIX_EEXIST;
     entries[name] = child;
     if (!child->is_link())
         child->st.st_nlink++;
@@ -90,7 +90,7 @@ int QuasiDirectory::link(const std::string& name, inode_ptr child) {
 int QuasiDirectory::unlink(const std::string& name) {
     auto it = entries.find(name);
     if (it == entries.end())
-        return -QUASI_ENOENT;
+        return -POSIX_ENOENT;
 
     inode_ptr target = it->second;
     // if directory and not empty -> EBUSY or ENOTEMPTY
@@ -100,7 +100,7 @@ int QuasiDirectory::unlink(const std::string& name) {
         children.erase(std::remove(children.begin(), children.end(), "."), children.end());
         children.erase(std::remove(children.begin(), children.end(), ".."), children.end());
         if (!children.empty())
-            return -QUASI_ENOTEMPTY;
+            return -POSIX_ENOTEMPTY;
 
         // parent loses reference from subdir [ .. ]
         this->st.st_nlink--;
diff --git a/src/core/file_sys/quasifs/src/quasifs_inode_quasi_directory_pfs.cpp b/src/core/file_sys/quasifs/src/quasifs_inode_quasi_directory_pfs.cpp
index 8780604d6..96d46d4ab 100644
--- a/src/core/file_sys/quasifs/src/quasifs_inode_quasi_directory_pfs.cpp
+++ b/src/core/file_sys/quasifs/src/quasifs_inode_quasi_directory_pfs.cpp
@@ -4,8 +4,8 @@
 #include <string>
 
 #include "common/alignment.h"
-#include "core/file_sys/quasifs/quasi_errno.h"
 #include "core/file_sys/quasifs/quasifs_inode_quasi_directory_pfs.h"
+#include "core/libraries/kernel/posix_error.h"
 
 // PFS is a bit different from regular dirents, see comments below
 // Although it's pretty simple, every tested game (sample size: 1) reads it exclusively with
diff --git a/src/core/file_sys/quasifs/src/quasifs_inode_quasi_file.cpp b/src/core/file_sys/quasifs/src/quasifs_inode_quasi_file.cpp
index e3022a25b..7972e36ca 100644
--- a/src/core/file_sys/quasifs/src/quasifs_inode_quasi_file.cpp
+++ b/src/core/file_sys/quasifs/src/quasifs_inode_quasi_file.cpp
@@ -2,8 +2,8 @@
 
 #include <vector>
 
-#include "core/file_sys/quasifs/quasi_errno.h"
 #include "core/file_sys/quasifs/quasifs_inode_quasi_file.h"
+#include "core/libraries/kernel/posix_error.h"
 
 namespace QuasiFS {
 
@@ -27,7 +27,7 @@ s64 QuasiFile::pwrite(const void* buf, size_t count, s64 offset) {
 
 s32 QuasiFile::ftruncate(s64 length) {
     if (length < 0)
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
     this->st.st_size = length;
     st.st_mtim.tv_sec = time(0);
     return 0;
diff --git a/src/core/file_sys/quasifs/src/quasifs_inode_quasi_file_virtual.cpp b/src/core/file_sys/quasifs/src/quasifs_inode_quasi_file_virtual.cpp
index 31100a8e4..a0dbd5c50 100644
--- a/src/core/file_sys/quasifs/src/quasifs_inode_quasi_file_virtual.cpp
+++ b/src/core/file_sys/quasifs/src/quasifs_inode_quasi_file_virtual.cpp
@@ -2,8 +2,8 @@
 
 #include <vector>
 
-#include "core/file_sys/quasifs/quasi_errno.h"
 #include "core/file_sys/quasifs/quasifs_inode_quasi_file_virtual.h"
+#include "core/libraries/kernel/posix_error.h"
 
 namespace QuasiFS {
 
@@ -40,7 +40,7 @@ s64 VirtualFile::pwrite(const void* buf, size_t count, s64 offset) {
 
 s32 VirtualFile::ftruncate(s64 length) {
     if (length < 0)
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
     this->data.resize(length, 0);
     this->st.st_size = length;
     st.st_mtim.tv_sec = time(0);
diff --git a/src/core/file_sys/quasifs/src/quasifs_partition.cpp b/src/core/file_sys/quasifs/src/quasifs_partition.cpp
index 9f426aa46..6c91a7551 100644
--- a/src/core/file_sys/quasifs/src/quasifs_partition.cpp
+++ b/src/core/file_sys/quasifs/src/quasifs_partition.cpp
@@ -2,13 +2,13 @@
 
 #include "common/logging/log.h"
 
-#include "core/file_sys/quasifs/quasi_errno.h"
 #include "core/file_sys/quasifs/quasi_types.h"
 #include "core/file_sys/quasifs/quasifs_inode_quasi_directory.h"
 #include "core/file_sys/quasifs/quasifs_inode_quasi_directory_pfs.h"
 #include "core/file_sys/quasifs/quasifs_inode_quasi_file.h"
 #include "core/file_sys/quasifs/quasifs_inode_symlink.h"
 #include "core/file_sys/quasifs/quasifs_partition.h"
+#include "core/libraries/kernel/posix_error.h"
 
 namespace QuasiFS {
 
@@ -39,17 +39,17 @@ fs::path Partition::SanitizePath(const fs::path& path) {
 
 int Partition::GetHostPath(fs::path& output_path, const fs::path& local_path) {
     if (this->host_root.empty())
-        return -QUASI_ENODEV;
+        return -POSIX_ENODEV;
 
     // must be relative to root, otherwise lvalue is overwritten
     fs::path host_path_target = (this->host_root / local_path.lexically_relative("/"));
     if (host_path_target.empty())
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
 
     fs::path host_path_target_sanitized = SanitizePath(host_path_target);
     if (host_path_target_sanitized.empty()) {
         LOG_ERROR(Kernel_Fs, "Malicious path detected: {}", host_path_target.string());
-        return -QUASI_EACCES;
+        return -POSIX_EACCES;
     }
     output_path = host_path_target_sanitized;
 
@@ -88,13 +88,13 @@ inode_ptr Partition::GetInodeByFileno(fileno_t fileno) {
 // Debugging it is a royal PITA
 int Partition::Resolve(fs::path& path, Resolved& res) {
     if (path.empty() || !path.string().starts_with("/"))
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
 
     // if (path.is_relative())
-    //     return -QUASI_EBADF;
+    //     return -POSIX_EBADF;
 
     if (path.string().size() >= 256)
-        return -QUASI_ENAMETOOLONG;
+        return -POSIX_ENAMETOOLONG;
 
     res.mountpoint = shared_from_this();
     res.local_path = "/";
@@ -129,21 +129,21 @@ int Partition::Resolve(fs::path& path, Resolved& res) {
 
             if (!(current->is_link() || current->is_dir()))
                 // trailing slash after a file
-                return -QUASI_ENOTDIR;
+                return -POSIX_ENOTDIR;
 
             return 0;
         }
 
         if (!(current->is_link() || current->is_dir()) && !is_final) {
             // path elements must be a dir or a symlink
-            return -QUASI_ENOTDIR;
+            return -POSIX_ENOTDIR;
         }
 
         //
 
         if (current->is_dir()) {
             if (!current->CanRead())
-                return -QUASI_EACCES;
+                return -POSIX_EACCES;
 
             dir_ptr dir = std::static_pointer_cast<Directory>(current);
             parent = dir;
@@ -165,7 +165,7 @@ int Partition::Resolve(fs::path& path, Resolved& res) {
                 res.node = nullptr;
                 res.parent = nullptr;
             }
-            return -QUASI_ENOENT;
+            return -POSIX_ENOENT;
         }
 
         //
@@ -223,7 +223,7 @@ int Partition::Resolve(fs::path& path, Resolved& res) {
 
 int Partition::touch(dir_ptr parent, const std::string& name, inode_ptr child) {
     if (nullptr == parent)
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
 
     auto ret = parent->link(name, child);
     if (ret == 0)
@@ -233,7 +233,7 @@ int Partition::touch(dir_ptr parent, const std::string& name, inode_ptr child) {
 
 int Partition::mkdir(dir_ptr parent, const std::string& name) {
     if (nullptr == parent)
-        return -QUASI_ENOENT;
+        return -POSIX_ENOENT;
 
     dir_ptr real_parent = parent->mounted_root ? parent->mounted_root : parent;
     dir_ptr child = real_parent->Spawn();
@@ -251,16 +251,16 @@ int Partition::mkdir(dir_ptr parent, const std::string& name) {
 
 int Partition::rmdir(dir_ptr parent, const std::string& name) {
     if (nullptr == parent)
-        return -QUASI_ENOENT;
+        return -POSIX_ENOENT;
     if (name.empty())
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
 
     inode_ptr target = parent->lookup(name);
     if (nullptr == target)
-        return -QUASI_ENOENT;
+        return -POSIX_ENOENT;
 
     if (!target->is_dir())
-        return -QUASI_ENOTDIR;
+        return -POSIX_ENOTDIR;
 
     int status = parent->unlink(name);
     if (0 != status)
@@ -271,29 +271,29 @@ int Partition::rmdir(dir_ptr parent, const std::string& name) {
 
 int Partition::link(inode_ptr source, dir_ptr destination_parent, const std::string& name) {
     if (nullptr == source || nullptr == destination_parent)
-        return -QUASI_ENOENT;
+        return -POSIX_ENOENT;
     if (name.empty())
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
     if (destination_parent->lookup(name) != nullptr)
-        return -QUASI_EEXIST;
+        return -POSIX_EEXIST;
     if (source->is_dir())
-        return -QUASI_EPERM;
+        return -POSIX_EPERM;
 
     return destination_parent->link(name, source);
 }
 
 int Partition::unlink(dir_ptr parent, const std::string& name) {
     if (nullptr == parent)
-        return -QUASI_ENOENT;
+        return -POSIX_ENOENT;
     if (name.empty())
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
 
     inode_ptr target = parent->lookup(name);
     if (nullptr == target)
-        return -QUASI_ENOENT;
+        return -POSIX_ENOENT;
 
     if (target->is_dir())
-        return -QUASI_EISDIR;
+        return -POSIX_EISDIR;
 
     int status = parent->unlink(name);
     if (0 != status)
@@ -304,7 +304,7 @@ int Partition::unlink(dir_ptr parent, const std::string& name) {
 
 int Partition::chmod(inode_ptr target, u16 mode) {
     if (nullptr == target)
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
 
     return target->chmod(mode);
 }
@@ -312,20 +312,20 @@ int Partition::chmod(inode_ptr target, u16 mode) {
 int Partition::rmInode(fileno_t fileno) {
     inode_ptr target = GetInodeByFileno(fileno);
     if (nullptr == target)
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
 
     return rmInode(target);
 }
 
 int Partition::rmInode(inode_ptr node) {
     if (nullptr == node)
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
 
     // truly remove if there are no hardlinks
     if (node->st.st_nlink > 0)
         return 0;
 
-    // TODO: check for open file handles, return -QUASI_EEBUSY
+    // TODO: check for open file handles, return -POSIX_EEBUSY
 
     this->inode_table.erase(node->GetFileno());
     return 0;
diff --git a/src/core/file_sys/quasifs/src/quasifs_vdriver.cpp b/src/core/file_sys/quasifs/src/quasifs_vdriver.cpp
index a6b8467dc..02dda4502 100644
--- a/src/core/file_sys/quasifs/src/quasifs_vdriver.cpp
+++ b/src/core/file_sys/quasifs/src/quasifs_vdriver.cpp
@@ -4,7 +4,6 @@
 
 #include "common/logging/log.h"
 
-#include "core/file_sys/quasifs/quasi_errno.h"
 #include "core/file_sys/quasifs/quasi_sys_fcntl.h"
 #include "core/file_sys/quasifs/quasi_types.h"
 #include "core/file_sys/quasifs/quasifs.h"
@@ -12,6 +11,7 @@
 #include "core/file_sys/quasifs/quasifs_inode_quasi_file.h"
 #include "core/file_sys/quasifs/quasifs_inode_symlink.h"
 #include "core/file_sys/quasifs/quasifs_partition.h"
+#include "core/libraries/kernel/posix_error.h"
 
 namespace QuasiFS {
 
@@ -21,9 +21,9 @@ s32 QFS::OperationImpl::Open(const fs::path& path, int flags, u16 mode) {
     int resolve_status = qfs.Resolve(path, res);
 
     // enoent on last element in the path is good
-    if (-QUASI_ENOENT == resolve_status) {
+    if (-POSIX_ENOENT == resolve_status) {
         if (nullptr == res.parent)
-            return -QUASI_ENOENT;
+            return -POSIX_ENOENT;
     } else if (0 != resolve_status)
         return resolve_status;
 
@@ -41,26 +41,26 @@ s32 QFS::OperationImpl::Open(const fs::path& path, int flags, u16 mode) {
     //
 
     if ((flags & (QUASI_O_WRONLY | QUASI_O_RDWR)) == (QUASI_O_WRONLY | QUASI_O_RDWR))
-        return -QUASI_EINVAL;
+        return -POSIX_EINVAL;
 
     // if it doesn't exist, check the parent
     inode_ptr checked_node = nullptr == res.node ? parent_node : res.node;
 
     if ((request_read && !checked_node->CanRead()) || (request_write && !checked_node->CanWrite()))
-        return -QUASI_EACCES;
+        return -POSIX_EACCES;
 
     if ((request_write || request_append) && qfs.IsPartitionRO(part))
-        return -QUASI_EROFS;
+        return -POSIX_EROFS;
 
     if (flags & QUASI_O_DIRECTORY && flags & QUASI_O_CREAT)
-        return -QUASI_ENOTDIR;
+        return -POSIX_ENOTDIR;
 
     // O_TRUNC | O_RDONLY - throw einval but touch a file
     // TODO: find out what happens when can't create file before throwing einval
     if ((flags & (QUASI_O_TRUNC | QUASI_O_WRONLY | QUASI_O_RDWR)) == QUASI_O_TRUNC) {
         if (int status = this->Close(this->Creat(path, mode)); status != 0)
             return status;
-        return -QUASI_ENOENT;
+        return -POSIX_ENOENT;
     }
 
     //
@@ -124,11 +124,11 @@ s32 QFS::OperationImpl::Creat(const fs::path& path, u16 mode) {
 
 s32 QFS::OperationImpl::Close(s32 fd) {
     if (fd < 0)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     fd_handle_ptr handle = qfs.GetHandle(fd);
     if (nullptr == handle)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     if (fd <= 2)
         LOG_ERROR(Kernel_Fs, "Closing std stream, this will have consequences fd={}", fd);
@@ -164,16 +164,16 @@ s32 QFS::OperationImpl::LinkSymbolic(const fs::path& src, const fs::path& dst) {
     // source may not exist and can point wherever it wants, so we skip checks for it
 
     if (0 == status_where)
-        return -QUASI_EEXIST;
+        return -POSIX_EEXIST;
     // destination parent directory must exist though
     if (0 != status_where && nullptr == dst_res.parent)
-        return -QUASI_ENOENT;
+        return -POSIX_ENOENT;
 
     partition_ptr src_part = src_res.mountpoint;
     partition_ptr dst_part = dst_res.mountpoint;
 
     if (qfs.IsPartitionRO(dst_part))
-        return -QUASI_EROFS;
+        return -POSIX_EROFS;
 
     bool host_used = false;
     int hio_status = 0;
@@ -184,7 +184,7 @@ s32 QFS::OperationImpl::LinkSymbolic(const fs::path& src, const fs::path& dst) {
     if (src_part->IsHostMounted() && dst_part->IsHostMounted()) {
         // if target partition doesn't exist or is not mounted, we can'tqfs.Resolve host path
         if (nullptr == src_part)
-            return -QUASI_ENOENT;
+            return -POSIX_ENOENT;
 
         fs::path host_path_src{};
         fs::path host_path_dst{};
@@ -203,7 +203,7 @@ s32 QFS::OperationImpl::LinkSymbolic(const fs::path& src, const fs::path& dst) {
     } else if (dst_part->IsHostMounted() ^ src_part->IsHostMounted()) {
         LOG_ERROR(Kernel_Fs,
                   "Symlinks can be only created on the same type of partition (virtual/host)");
-        return -QUASI_ENOSYS;
+        return -POSIX_ENOSYS;
     }
 
     {
@@ -230,11 +230,11 @@ s32 QFS::OperationImpl::Link(const fs::path& src, const fs::path& dst) {
     if (0 != status_what)
         return status_what;
     if (0 == status_where)
-        return -QUASI_EEXIST;
+        return -POSIX_EEXIST;
 
     // cross-partition linking is not supported
     if (src_res.mountpoint != dst_res.mountpoint)
-        return -QUASI_EXDEV;
+        return -POSIX_EXDEV;
 
     partition_ptr src_part = src_res.mountpoint;
     partition_ptr dst_part = dst_res.mountpoint;
@@ -242,11 +242,11 @@ s32 QFS::OperationImpl::Link(const fs::path& src, const fs::path& dst) {
     if (src_part != dst_part) {
         LOG_ERROR(Kernel_Fs, "Hard links can only be created within one partition");
         // I think this is the right error
-        return -QUASI_ENOSYS;
+        return -POSIX_ENOSYS;
     }
 
     if (qfs.IsPartitionRO(dst_part))
-        return -QUASI_EROFS;
+        return -POSIX_EROFS;
 
     bool host_used = false;
     int hio_status = 0;
@@ -298,17 +298,17 @@ s32 QFS::OperationImpl::Unlink(const fs::path& path) {
         return resolve_status;
 
     if (!res.node->is_dir())
-        return -QUASI_ENOTDIR;
+        return -POSIX_ENOTDIR;
 
     partition_ptr part = res.mountpoint;
     if (qfs.IsPartitionRO(part))
-        return -QUASI_EROFS;
+        return -POSIX_EROFS;
 
     dir_ptr parent = std::static_pointer_cast<Directory>(res.node);
     inode_ptr target = parent->lookup(leaf);
 
     if (nullptr == target)
-        return -QUASI_ENOENT;
+        return -POSIX_ENOENT;
 
     // fix upqfs.Resolve result for VIO
     res.parent = parent;
@@ -348,14 +348,14 @@ s32 QFS::OperationImpl::Unlink(const fs::path& path) {
 
 s32 QFS::OperationImpl::Flush(const s32 fd) {
     if (fd < 0)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     fd_handle_ptr handle = qfs.GetHandle(fd);
     if (nullptr == handle)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     if (!handle->read)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     bool host_used = false;
     int hio_status = 0;
@@ -385,11 +385,11 @@ s32 QFS::OperationImpl::Flush(const s32 fd) {
 
 s32 QFS::OperationImpl::FSync(const s32 fd) {
     if (fd < 0)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     fd_handle_ptr handle = qfs.GetHandle(fd);
     if (nullptr == handle)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     bool host_used = false;
     int hio_status = 0;
@@ -426,7 +426,7 @@ s32 QFS::OperationImpl::Truncate(const fs::path& path, u64 length) {
 
     partition_ptr part = res.mountpoint;
     if (qfs.IsPartitionRO(part))
-        return -QUASI_EROFS;
+        return -POSIX_EROFS;
 
     bool host_used = false;
     int hio_status = 0;
@@ -459,14 +459,14 @@ s32 QFS::OperationImpl::Truncate(const fs::path& path, u64 length) {
 
 s32 QFS::OperationImpl::FTruncate(const s32 fd, u64 length) {
     if (fd < 0)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     fd_handle_ptr handle = qfs.GetHandle(fd);
     if (nullptr == handle)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     if (!handle->write)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     // EROFS is guarded by Open()
 
@@ -498,11 +498,11 @@ s32 QFS::OperationImpl::FTruncate(const s32 fd, u64 length) {
 
 s64 QFS::OperationImpl::LSeek(const s32 fd, s64 offset, s32 whence) {
     if (fd < 0)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     fd_handle_ptr handle = qfs.GetHandle(fd);
     if (nullptr == handle)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     bool host_used = false;
     int hio_status = 0;
@@ -546,14 +546,14 @@ void UpdateStatFromHost(Libraries::Kernel::OrbisKernelStat* vfs,
 
 s64 QFS::OperationImpl::Read(const s32 fd, void* buf, u64 count) {
     if (fd < 0)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     fd_handle_ptr handle = qfs.GetHandle(fd);
     if (nullptr == handle)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     if (!handle->read)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     bool host_used = false;
     int hio_status = 0;
@@ -583,14 +583,14 @@ s64 QFS::OperationImpl::Read(const s32 fd, void* buf, u64 count) {
 
 s64 QFS::OperationImpl::PRead(const s32 fd, void* buf, u64 count, s64 offset) {
     if (fd < 0)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     fd_handle_ptr handle = qfs.GetHandle(fd);
     if (nullptr == handle)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     if (!handle->read)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     bool host_used = false;
     int hio_status = 0;
@@ -620,14 +620,14 @@ s64 QFS::OperationImpl::PRead(const s32 fd, void* buf, u64 count, s64 offset) {
 
 s64 QFS::OperationImpl::ReadV(const s32 fd, Libraries::Kernel::OrbisKernelIovec* iov, u32 iovcnt) {
     if (fd < 0)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     fd_handle_ptr handle = qfs.GetHandle(fd);
     if (nullptr == handle)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     if (!handle->read)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     bool host_used = false;
     int hio_status = 0;
@@ -658,14 +658,14 @@ s64 QFS::OperationImpl::ReadV(const s32 fd, Libraries::Kernel::OrbisKernelIovec*
 s64 QFS::OperationImpl::PReadV(const s32 fd, Libraries::Kernel::OrbisKernelIovec* iov, u32 iovcnt,
                                s64 offset) {
     if (fd < 0)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     fd_handle_ptr handle = qfs.GetHandle(fd);
     if (nullptr == handle)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     if (!handle->read)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     bool host_used = false;
     int hio_status = 0;
@@ -695,14 +695,14 @@ s64 QFS::OperationImpl::PReadV(const s32 fd, Libraries::Kernel::OrbisKernelIovec
 
 s64 QFS::OperationImpl::Write(const s32 fd, const void* buf, u64 count) {
     if (fd < 0)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     fd_handle_ptr handle = qfs.GetHandle(fd);
     if (nullptr == handle)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     if (!handle->write)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     bool host_used = false;
     int hio_status = 0;
@@ -732,14 +732,14 @@ s64 QFS::OperationImpl::Write(const s32 fd, const void* buf, u64 count) {
 
 s64 QFS::OperationImpl::PWrite(const s32 fd, const void* buf, u64 count, s64 offset) {
     if (fd < 0)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     fd_handle_ptr handle = qfs.GetHandle(fd);
     if (nullptr == handle)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     if (!handle->write)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     bool host_used = false;
     int hio_status = 0;
@@ -770,14 +770,14 @@ s64 QFS::OperationImpl::PWrite(const s32 fd, const void* buf, u64 count, s64 off
 s64 QFS::OperationImpl::WriteV(const s32 fd, const Libraries::Kernel::OrbisKernelIovec* iov,
                                u32 iovcnt) {
     if (fd < 0)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     fd_handle_ptr handle = qfs.GetHandle(fd);
     if (nullptr == handle)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     if (!handle->write)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     bool host_used = false;
     int hio_status = 0;
@@ -808,14 +808,14 @@ s64 QFS::OperationImpl::WriteV(const s32 fd, const Libraries::Kernel::OrbisKerne
 s64 QFS::OperationImpl::PWriteV(const s32 fd, const Libraries::Kernel::OrbisKernelIovec* iov,
                                 u32 iovcnt, s64 offset) {
     if (fd < 0)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     fd_handle_ptr handle = qfs.GetHandle(fd);
     if (nullptr == handle)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     if (!handle->write)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     bool host_used = false;
     int hio_status = 0;
@@ -848,18 +848,18 @@ s32 QFS::OperationImpl::MKDir(const fs::path& path, u16 mode) {
     int resolve_status = qfs.Resolve(path, res);
 
     if (0 == resolve_status)
-        return -QUASI_EEXIST;
+        return -POSIX_EEXIST;
 
-    if (-QUASI_ENOENT == resolve_status) {
+    if (-POSIX_ENOENT == resolve_status) {
         if (nullptr == res.parent)
-            return -QUASI_ENOENT;
+            return -POSIX_ENOENT;
     } else if (0 != resolve_status)
         return resolve_status;
 
     partition_ptr part = res.mountpoint;
 
     if (qfs.IsPartitionRO(part))
-        return -QUASI_EROFS;
+        return -POSIX_EROFS;
 
     bool host_used = false;
     int hio_status = 0;
@@ -949,11 +949,11 @@ s32 QFS::OperationImpl::Stat(const fs::path& path, Libraries::Kernel::OrbisKerne
 
 s32 QFS::OperationImpl::FStat(const s32 fd, Libraries::Kernel::OrbisKernelStat* statbuf) {
     if (fd < 0)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     fd_handle_ptr handle = qfs.GetHandle(fd);
     if (nullptr == handle)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     // too short to justify a separate block
     std::lock_guard<std::mutex> lock(c_mutex);
@@ -984,14 +984,14 @@ s32 QFS::OperationImpl::Chmod(const fs::path& path, u16 mode) {
 
 s32 QFS::OperationImpl::FChmod(const s32 fd, u16 mode) {
     if (fd < 0)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     fd_handle_ptr handle = qfs.GetHandle(fd);
     if (nullptr == handle)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     if (!handle->read)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     // too short to justify a separate block
     std::lock_guard<std::mutex> lock(c_mutex);
@@ -1004,14 +1004,14 @@ s32 QFS::OperationImpl::FChmod(const s32 fd, u16 mode) {
 
 s64 QFS::OperationImpl::GetDents(const s32 fd, void* buf, u64 count, s64* basep) {
     if (fd < 0)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     fd_handle_ptr handle = qfs.GetHandle(fd);
     if (nullptr == handle)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     if (!handle->read)
-        return -QUASI_EBADF;
+        return -POSIX_EBADF;
 
     // too short to justify a separate block
     std::lock_guard<std::mutex> lock(c_mutex);
diff --git a/src/core/ipc/ipc.cpp b/src/core/ipc/ipc.cpp
index 08cf3bbb2..9bfad1e70 100644
--- a/src/core/ipc/ipc.cpp
+++ b/src/core/ipc/ipc.cpp
@@ -15,9 +15,9 @@
 #include "core/debug_state.h"
 #include "core/debugger.h"
 #include "core/libraries/audio/audioout.h"
+#include "core/libraries/usbd/usbd.h"
 #include "input/input_handler.h"
 #include "sdl_window.h"
-#include "src/core/libraries/usbd/usbd.h"
 #include "video_core/renderer_vulkan/vk_presenter.h"
 
 extern std::unique_ptr<Vulkan::Presenter> presenter;