diff --git a/def.go b/def.go
index 1e5b06a..a8fc02f 100644
--- a/def.go
+++ b/def.go
@@ -2,7 +2,7 @@ package main
 
 import (
 	"bytes"
-	"encoding/binary"
+	"encoding/gob"
 )
 
 const (