diff --git a/src/icalendar/tests/test_encoding.py b/src/icalendar/tests/test_encoding.py
index 213aeef..363544f 100644
--- a/src/icalendar/tests/test_encoding.py
+++ b/src/icalendar/tests/test_encoding.py
@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 import unittest2 as unittest
 import icalendar
 import pytz