diff --git a/youtube_dl/extractor/adultswim.py b/youtube_dl/extractor/adultswim.py
index 130afe791b..3ae618e71b 100644
--- a/youtube_dl/extractor/adultswim.py
+++ b/youtube_dl/extractor/adultswim.py
@@ -183,7 +183,7 @@ def _real_extract(self, url):
                 media_url = file_el.text
                 if determine_ext(media_url) == 'm3u8':
                     formats.extend(self._extract_m3u8_formats(
-                        media_url, segment_title, 'mp4', 'm3u8_native', preference=0, m3u8_id='hls'))
+                        media_url, segment_title, 'mp4', preference=0, m3u8_id='hls'))
                 else:
                     formats.append({
                         'format_id': '%s_%s' % (bitrate, ftype),