diff --git a/youtube_dl/extractor/youtube.py b/youtube_dl/extractor/youtube.py
index 9db32c639..2112df856 100644
--- a/youtube_dl/extractor/youtube.py
+++ b/youtube_dl/extractor/youtube.py
@@ -318,7 +318,7 @@ class YoutubeBaseInfoExtractor(InfoExtractor):
             compat_str)
         duration_text = try_get(
             renderer, 
-            (lambda x: x['lengthText']['simpleText'], 
+           (lambda x: x['lengthText']['simpleText'], 
             lambda x: x['thumbnailOverlays'][0]['thumbnailOverlayTimeStatusRenderer']['text']['simpleText']),
             compat_str)
         duration = parse_duration(duration_text)