diff --git a/src/hyper.h b/src/hyper.h
index 1889ab0..49277f8 100644
--- a/src/hyper.h
+++ b/src/hyper.h
@@ -25,6 +25,8 @@ enum {
 	PING,
 	FINISH,
 	NEXT,
+	WRITEFILE,
+	READFILE,
 };
 
 enum {