diff --git a/client-py3/full/src/UDSClient.py b/client-py3/full/src/UDSClient.py
index 44f7d206..bdfd26ac 100755
--- a/client-py3/full/src/UDSClient.py
+++ b/client-py3/full/src/UDSClient.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python3 -s
 # -*- coding: utf-8 -*-
 #
 # Copyright (c) 2014-2021 Virtual Cable S.L.U.