diff --git a/src/gfx2log.c b/src/gfx2log.c
index d8b64870..aa20c964 100644
--- a/src/gfx2log.c
+++ b/src/gfx2log.c
@@ -26,6 +26,7 @@
 #include <SDL.h>
 #endif
 #include <stdio.h>
+#include <string.h>
 #include "gfx2log.h"
 
 GFX2_Log_priority_T GFX2_verbosity_level = GFX2_INFO;