diff --git a/youtube_dl/extractor/youtube.py b/youtube_dl/extractor/youtube.py
index 0acb3f13eff..ac33291481d 100644
--- a/youtube_dl/extractor/youtube.py
+++ b/youtube_dl/extractor/youtube.py
@@ -1712,8 +1712,9 @@ def _unthrottle_format_urls(self, video_id, player_url, formats):
             if n_response is None:
                 # give up if descrambling failed
                 break
-            fmt['url'] = update_url(
-                parsed_fmt_url, query_update={'n': [n_response]})
+            for fmt_dct in traverse_obj(fmt, (None, (None, ('fragments', Ellipsis))), expected_type=dict):
+                fmt_dct['url'] = update_url(
+                    fmt_dct['url'], query_update={'n': [n_response]})
 
     # from yt-dlp, with tweaks
     def _extract_signature_timestamp(self, video_id, player_url, ytcfg=None, fatal=False):