diff --git a/youtube_dl/extractor/yourporn.py b/youtube_dl/extractor/yourporn.py
index e58561854..0684d95a7 100644
--- a/youtube_dl/extractor/yourporn.py
+++ b/youtube_dl/extractor/yourporn.py
@@ -48,7 +48,7 @@ class YourPornIE(InfoExtractor):
         thumbnail = self._og_search_thumbnail(webpage)
 
         duration = parse_duration(self._search_regex(r'Video Info -> duration:<b>([0-9:]+)</b>',
-                                                     webpage, 'duration'))
+                                                     webpage, 'duration', default=None))
         return {
             'id': video_id,
             'url': video_url,
@@ -56,4 +56,4 @@ class YourPornIE(InfoExtractor):
             'duration': duration,
             'thumbnail': thumbnail,
             'age_limit': 18
-        }
\ No newline at end of file
+        }