diff --git a/cmd/vault-plugin-auth-gcp/main.go b/cmd/vault-plugin-auth-gcp/main.go
index 754fb26..9dd124e 100644
--- a/cmd/vault-plugin-auth-gcp/main.go
+++ b/cmd/vault-plugin-auth-gcp/main.go
@@ -15,7 +15,10 @@ import (
 func main() {
 	apiClientMeta := &api.PluginAPIClientMeta{}
 	flags := apiClientMeta.FlagSet()
-	flags.Parse(os.Args[1:])
+
+	if err := flags.Parse(os.Args[1:]); err != nil {
+		fatal(err)
+	}
 
 	tlsConfig := apiClientMeta.GetTLSConfig()
 	tlsProviderFunc := api.VaultPluginTLSProvider(tlsConfig)
@@ -27,7 +30,11 @@ func main() {
 		TLSProviderFunc: tlsProviderFunc,
 	})
 	if err != nil {
-		log.Println(err)
-		os.Exit(1)
+		fatal(err)
 	}
 }
+
+func fatal(err error) {
+	log.Println(err)
+	os.Exit(1)
+}