diff --git a/cmd/gost/main.go b/cmd/gost/main.go
index 528d420..fb5c50f 100644
--- a/cmd/gost/main.go
+++ b/cmd/gost/main.go
@@ -42,12 +42,12 @@ func init() {
 
 	if flag.NFlag() == 0 {
 		flag.PrintDefaults()
-		return
+		os.Exit(0)
 	}
 
 	if printVersion {
 		fmt.Fprintf(os.Stderr, "GOST %s (%s)\n", gost.Version, runtime.Version())
-		return
+		os.Exit(0)
 	}
 }