diff --git a/Source/Core/Common/JitRegister.h b/Source/Core/Common/JitRegister.h
index 68e2687d8b..d5f7b72bfb 100644
--- a/Source/Core/Common/JitRegister.h
+++ b/Source/Core/Common/JitRegister.h
@@ -3,6 +3,7 @@
 // Refer to the license.txt file included.
 
 #pragma once
+#include "Common/CommonTypes.h"
 
 namespace JitRegister
 {