diff --git a/src/Ryujinx.HLE/HOS/Services/Ldn/UserServiceCreator/IUserLocalCommunicationService.cs b/src/Ryujinx.HLE/HOS/Services/Ldn/UserServiceCreator/IUserLocalCommunicationService.cs
index abf4153d0..d891a32a5 100644
--- a/src/Ryujinx.HLE/HOS/Services/Ldn/UserServiceCreator/IUserLocalCommunicationService.cs
+++ b/src/Ryujinx.HLE/HOS/Services/Ldn/UserServiceCreator/IUserLocalCommunicationService.cs
@@ -5,6 +5,7 @@ using Ryujinx.Common.Logging;
 using Ryujinx.Common.Memory;
 using Ryujinx.Common.Utilities;
 using Ryujinx.Cpu;
+using Ryujinx.HLE.Exceptions;
 using Ryujinx.HLE.HOS.Ipc;
 using Ryujinx.HLE.HOS.Kernel.Threading;
 using Ryujinx.HLE.HOS.Services.Ldn.Types;
@@ -496,11 +497,11 @@ namespace Ryujinx.HLE.HOS.Services.Ldn.UserServiceCreator
             // On NX only input value 1 or 3 is allowed, with an error being thrown otherwise.
             if (protocolValue != 1 || protocolValue != 3)
             {
-                throw new NotSupportedException($"Protocol value is {protocolValue}!!");
+                throw new ServiceNotImplementedException(this, context, $"{GetType().FullName}: Protocol value is {protocolValue}!!");
             }
             
             Logger.Info?.PrintMsg(LogClass.ServiceLdn, $"Protocol value:  {protocolValue}");
-            Logger.Stub?.PrintMsg(LogClass.ServiceLdn, "IUserLocalCommunicationService SetProtocol: Stubbed.");
+            Logger.Stub?.PrintStub(LogClass.ServiceLdn);
             return ResultCode.Success;
         }