diff --git a/youtube_dl/extractor/npo.py b/youtube_dl/extractor/npo.py index eb12fb810..7cd5c9303 100644 --- a/youtube_dl/extractor/npo.py +++ b/youtube_dl/extractor/npo.py @@ -189,7 +189,7 @@ class NPOIE(NPOBaseIE): if not video_url: continue if format_id == 'adaptive': - formats.extend(self._extract_m3u8_formats(video_url, video_id)) + formats.extend(self._extract_m3u8_formats(video_url, video_id, 'mp4')) else: formats.append({ 'url': video_url,