diff --git a/Source/Project64-core/N64System/Mips/OpcodeName.cpp b/Source/Project64-core/N64System/Mips/OpcodeName.cpp
index b93695d52..4c5f672b3 100644
--- a/Source/Project64-core/N64System/Mips/OpcodeName.cpp
+++ b/Source/Project64-core/N64System/Mips/OpcodeName.cpp
@@ -9,6 +9,7 @@
 *                                                                           *
 ****************************************************************************/
 #include "stdafx.h"
+#include <stdio.h>
 #include "OpCode.h"
 #include "RegisterClass.h"