diff --git a/src/Ryujinx.HLE/HOS/Kernel/Threading/KThread.cs b/src/Ryujinx.HLE/HOS/Kernel/Threading/KThread.cs
index dcc992b710..1500a95450 100644
--- a/src/Ryujinx.HLE/HOS/Kernel/Threading/KThread.cs
+++ b/src/Ryujinx.HLE/HOS/Kernel/Threading/KThread.cs
@@ -1443,7 +1443,8 @@ namespace Ryujinx.HLE.HOS.Kernel.Threading
             lock (_activityOperationLock)
             {
                 if (_debugState != (int)DebugState.Stopped
-                    || (_forcePauseFlags & ThreadSchedState.ThreadPauseFlag) == 0)
+                    || (_forcePauseFlags & ThreadSchedState.ThreadPauseFlag) == 0
+                    || MutexOwner != null)
                 {
                     return false;
                 }