diff --git a/Source/Core/VideoBackends/D3D/D3DBase.h b/Source/Core/VideoBackends/D3D/D3DBase.h
index 737b6a8a27..dec8d5206f 100644
--- a/Source/Core/VideoBackends/D3D/D3DBase.h
+++ b/Source/Core/VideoBackends/D3D/D3DBase.h
@@ -10,6 +10,7 @@
 #include <vector>
 
 #include "Common/Common.h"
+#include "Common/CommonTypes.h"
 #include "Common/MsgHandler.h"
 
 namespace DX11