diff --git a/CMakeLists.txt b/CMakeLists.txt
index 21ae48a22..162ec1146 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -329,7 +329,7 @@ set(KERNEL_LIB src/core/libraries/kernel/sync/mutex.cpp
                src/core/libraries/kernel/threads/sleepq.cpp
                src/core/libraries/kernel/threads/sleepq.h
                src/core/libraries/kernel/threads/stack.cpp
-               src/core/libraries/kernel/threads/stack.s
+               src/core/libraries/kernel/threads/stack.S
                src/core/libraries/kernel/threads/tcb.cpp
                src/core/libraries/kernel/threads/pthread.h
                src/core/libraries/kernel/threads/thread_state.cpp
diff --git a/src/core/libraries/kernel/threads/stack.s b/src/core/libraries/kernel/threads/stack.S
similarity index 100%
rename from src/core/libraries/kernel/threads/stack.s
rename to src/core/libraries/kernel/threads/stack.S