X-Git-Url: https://git.rapsys.eu/youtubedl/blobdiff_plain/abc36f0474141930338eef35e2444365fab932b6..d9d7cd0e85dc712461d9185db9df9d6c900a573b:/youtube_dl/extractor/infoq.py

diff --git a/youtube_dl/extractor/infoq.py b/youtube_dl/extractor/infoq.py
index 9fb71e8..fe425e7 100644
--- a/youtube_dl/extractor/infoq.py
+++ b/youtube_dl/extractor/infoq.py
@@ -87,8 +87,8 @@ class InfoQIE(BokeCCBaseIE):
 
     def _extract_http_audio(self, webpage, video_id):
         fields = self._hidden_inputs(webpage)
-        http_audio_url = fields['filename']
-        if http_audio_url is None:
+        http_audio_url = fields.get('filename')
+        if not http_audio_url:
             return []
 
         cookies_header = {'Cookie': self._extract_cookies(webpage)}