diff --git a/youtube_dl/extractor/mediathekviewweb.py b/youtube_dl/extractor/mediathekviewweb.py
index 76f9410b2..bd0c8e758 100644
--- a/youtube_dl/extractor/mediathekviewweb.py
+++ b/youtube_dl/extractor/mediathekviewweb.py
@@ -1,3 +1,4 @@
+# coding=utf-8
 import datetime
 import itertools
 import json