diff --git a/Source/Common/stdafx.h b/Source/Common/stdafx.h
index 27b502533..e5f1eebbc 100644
--- a/Source/Common/stdafx.h
+++ b/Source/Common/stdafx.h
@@ -4,6 +4,7 @@
 #include <windows.h>
 #include <stdio.h>
 #include <stdarg.h>
+#include <string.h>
 
 #include "MemTest.h"
 #include "StdString.h"