diff --git a/Source/Core/AudioCommon/Src/Mixer.h b/Source/Core/AudioCommon/Src/Mixer.h
index cbe11e572a..a9de2cee72 100644
--- a/Source/Core/AudioCommon/Src/Mixer.h
+++ b/Source/Core/AudioCommon/Src/Mixer.h
@@ -18,9 +18,8 @@
 #ifndef _MIXER_H_
 #define _MIXER_H_
 
-#include <mutex>
-
 #include "WaveFile.h"
+#include "StdMutex.h"
 
 // 16 bit Stereo
 #define MAX_SAMPLES			(1024 * 8)
diff --git a/Source/Core/Common/Src/StdConditionVariable.h b/Source/Core/Common/Src/StdConditionVariable.h
index 952f9e00a2..85875fef10 100644
--- a/Source/Core/Common/Src/StdConditionVariable.h
+++ b/Source/Core/Common/Src/StdConditionVariable.h
@@ -29,7 +29,7 @@
 
 // partial std::condition_variable implementation for win32/pthread
 
-#include <mutex>
+#include "StdMutex.h"
 
 #if (_MSC_VER >= 1600) || (GCC_VERSION >= GCC_VER(4,3,0) && __GXX_EXPERIMENTAL_CXX0X__)
 #define USE_RVALUE_REFERENCES
diff --git a/Source/Core/Core/Src/HW/EXI_DeviceMic.h b/Source/Core/Core/Src/HW/EXI_DeviceMic.h
index 4b94f6d723..b9596ba85a 100644
--- a/Source/Core/Core/Src/HW/EXI_DeviceMic.h
+++ b/Source/Core/Core/Src/HW/EXI_DeviceMic.h
@@ -20,7 +20,7 @@
 
 #if HAVE_PORTAUDIO
 
-#include <mutex>
+#include "StdMutex.h"
 
 class CEXIMic : public IEXIDevice
 {