diff --git a/source4/scripting/python/samba/tests/messaging.py b/source4/scripting/python/samba/tests/messaging.py
index 7317a0733d3..b6c9a0abbce 100644
--- a/source4/scripting/python/samba/tests/messaging.py
+++ b/source4/scripting/python/samba/tests/messaging.py
@@ -1,3 +1,5 @@
+# -*- coding: utf-8 -*-
+#
 # Unix SMB/CIFS implementation.
 # Copyright © Jelmer Vernooij <jelmer@samba.org> 2008
 #