diff --git a/Source/RSP/dma.c b/Source/RSP/dma.c
index ba9d53e42..dfdff27a8 100644
--- a/Source/RSP/dma.c
+++ b/Source/RSP/dma.c
@@ -28,6 +28,7 @@
 #include <Windows.h>
 #endif
 #include <stdio.h>
+#include <string.h>
 #include <Common/stdtypes.h>
 
 #include "Rsp.h"