diff --git a/cmd/abigen/main.go b/cmd/abigen/main.go
index 8c1428ba72..6af34c5fe8 100644
--- a/cmd/abigen/main.go
+++ b/cmd/abigen/main.go
@@ -138,6 +138,7 @@ func abigen(c *cli.Context) error {
 		lang = bind.LangJava
 	case "objc":
 		lang = bind.LangObjC
+		utils.Fatalf("Objc binding generation is uncompleted")
 	default:
 		utils.Fatalf("Unsupported destination language \"%s\" (--lang)", c.GlobalString(langFlag.Name))
 	}