diff --git a/youtube_dl/extractor/reddit.py b/youtube_dl/extractor/reddit.py
index 01c85ee01..4d44b9d74 100644
--- a/youtube_dl/extractor/reddit.py
+++ b/youtube_dl/extractor/reddit.py
@@ -35,6 +35,8 @@ class RedditIE(InfoExtractor):
             'https://v.redd.it/%s/DASHPlaylist.mpd' % video_id, video_id,
             mpd_id='dash', fatal=False))
 
+        self._sort_formats(formats)
+
         return {
             'id': video_id,
             'title': video_id,