diff --git a/youtube_dl/extractor/videocdn.py b/youtube_dl/extractor/videocdn.py
index 8f3bfa5ba..eae730dcd 100644
--- a/youtube_dl/extractor/videocdn.py
+++ b/youtube_dl/extractor/videocdn.py
@@ -44,7 +44,8 @@ class VideoCdnIE(InfoExtractor):
 
         thumbnail = self._search_regex(
             r'\"thumbnailUrl\":\"(?P<thumbnail>[^\"]+)',
-            webpage, 'thumbnail', group='thumbnail')
+            webpage, 'thumbnail', group='thumbnail',
+            default=None)
 
         title = self._search_regex(
             r'\"name\":\"(?P<title>[^\"]+)',