diff --git a/firmware/sysdefs.h b/firmware/sysdefs.h
index bf79c8e..7c2d3d5 100644
--- a/firmware/sysdefs.h
+++ b/firmware/sysdefs.h
@@ -61,5 +61,8 @@ typedef unsigned char byte_t;
 #define NULL ((void *) 0)
 #endif
 
+// Save some space
+#define memcpy memmove
+
 #endif