diff --git a/api.h b/api.h
index 796295e..02f8ac1 100644
--- a/api.h
+++ b/api.h
@@ -4,7 +4,7 @@
 #include "System.h"
 #include <stdlib.h>
 
-#define message_eq(m) strncmp(msg, m, 20)
+#define message_eq(m) (strncmp(msg, m, 20)==0)
  
 enum BlendMode { BlendNone, BlendBlend, BlendAdd, BlendMod };