diff --git a/youtube_dl/extractor/common.py b/youtube_dl/extractor/common.py
index 797c35fd5..1f33a1e06 100644
--- a/youtube_dl/extractor/common.py
+++ b/youtube_dl/extractor/common.py
@@ -2844,7 +2844,7 @@ class InfoExtractor(object):
                     'url': source_url,
                     'width': int_or_none(source.get('width')),
                     'height': height,
-                    'tbr': int_or_none(source.get('bitrate')),
+                    'tbr': int_or_none(source.get('bitrate'), scale=1000),
                     'ext': ext,
                 }
                 if source_url.startswith('rtmp'):