diff --git a/youtube_dl/extractor/comcarcoff.py b/youtube_dl/extractor/comcarcoff.py
index 67724139c..b62be56da 100644
--- a/youtube_dl/extractor/comcarcoff.py
+++ b/youtube_dl/extractor/comcarcoff.py
@@ -51,4 +51,5 @@ def _real_extract(self, url):
             'timestamp': parse_iso8601(video_data.get('pubDate')),
             'thumbnails': thumbnails,
             'formats': formats,
+            'webpage_url': 'http://comediansincarsgettingcoffee.com/%s' % (video_data.get('urlSlug', video_data.get('slug'))),
         }