diff --git a/youtube_dl/extractor/youtube.py b/youtube_dl/extractor/youtube.py
index 66b0257df..715d534de 100644
--- a/youtube_dl/extractor/youtube.py
+++ b/youtube_dl/extractor/youtube.py
@@ -2123,7 +2123,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                 or search_meta('uploadDate')),
             'uploader': video_details['author'],
             'uploader_id': self._search_regex(
-                r'/(?:channel|user)/([^/?&#]+)', owner_profile_url,
+                r'/(?:(?:channel|user)/|@)([^/?&#]+)', owner_profile_url,
                 'uploader id', fatal=False) if owner_profile_url else None,
             'uploader_url': owner_profile_url,
             'channel_id': channel_id,