diff --git a/util.go b/util.go
index cb2ad98..5d288c7 100644
--- a/util.go
+++ b/util.go
@@ -172,7 +172,7 @@ func marshalFile(target interface{}, file string, overWrite bool) error {
 		}
 	}
 
-	return ioutil.WriteFile(file, b, os.ModeAppend)
+	return ioutil.WriteFile(file, b, 0644)
 }
 
 func marshal(target interface{}, ext string) ([]byte, error) {