diff --git a/Source/Project64-core/N64System/Recompiler/RegInfo.cpp b/Source/Project64-core/N64System/Recompiler/RegInfo.cpp
index ca4428a3d..b3c46f0ad 100644
--- a/Source/Project64-core/N64System/Recompiler/RegInfo.cpp
+++ b/Source/Project64-core/N64System/Recompiler/RegInfo.cpp
@@ -11,6 +11,8 @@
 #include "stdafx.h"
 #include <Project64-core/N64System/SystemGlobals.h>
 #include <Project64-core/N64System/N64Class.h>
+
+#include <string.h>
 #include "RegInfo.h"
 #include "RecompilerClass.h"
 #include "x86CodeLog.h"