diff --git a/youtube_dl/extractor/common.py b/youtube_dl/extractor/common.py
index a69240693..52f2055b5 100644
--- a/youtube_dl/extractor/common.py
+++ b/youtube_dl/extractor/common.py
@@ -1401,7 +1401,7 @@ class InfoExtractor(object):
             media_url = media.get('URI')
             if media_url:
                 format_id = []
-                for v in (group_id, name):
+                for v in (m3u8_id, group_id, name):
                     if v:
                         format_id.append(v)
                 f = {