diff --git a/vvin.go b/vvin.go
index 0c7560b..ee28944 100644
--- a/vvin.go
+++ b/vvin.go
@@ -82,9 +82,7 @@ func Start(args []string) error {
 	app.Usage = ``
 	app.Copyright = "(C) 2019 Shuhei Kubota"
 	app.SuppressErrorOutput = true
-	if err := app.Run(os.Args); err != nil {
-		fmt.Fprintln(os.Stderr, err)
-	}
+	return app.Run(args)
 }
 
 var (