diff --git a/yt_dlp/downloader/mhtml.py b/yt_dlp/downloader/mhtml.py
index 1477f65a6..bc86fd1bf 100644
--- a/yt_dlp/downloader/mhtml.py
+++ b/yt_dlp/downloader/mhtml.py
@@ -166,7 +166,11 @@ body > figure > img {
             if (i + 1) <= ctx['fragment_index']:
                 continue
 
-            fragment_url = urljoin(fragment_base_url, fragment['path'])
+            fragment_url = fragment.get('url')
+            if not fragment_url:
+                assert fragment_base_url
+                fragment_url = urljoin(fragment_base_url, fragment['path'])
+
             success, frag_content = self._download_fragment(ctx, fragment_url, info_dict)
             if not success:
                 continue
diff --git a/yt_dlp/extractor/francetv.py b/yt_dlp/extractor/francetv.py
index 877c5c055..347a766d8 100644
--- a/yt_dlp/extractor/francetv.py
+++ b/yt_dlp/extractor/francetv.py
@@ -187,7 +187,7 @@ class FranceTVIE(InfoExtractor):
                 'protocol': 'mhtml',
                 'url': 'about:invalid',
                 'fragments': [{
-                    'path': sheet,
+                    'url': sheet,
                     # XXX: not entirely accurate; each spritesheet seems to be
                     # a 10×10 grid of thumbnails corresponding to approximately
                     # 2 seconds of the video; the last spritesheet may be shorter
diff --git a/yt_dlp/extractor/youtube.py b/yt_dlp/extractor/youtube.py
index 7e3f142c7..4fe9cec5b 100644
--- a/yt_dlp/extractor/youtube.py
+++ b/yt_dlp/extractor/youtube.py
@@ -3208,7 +3208,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
                 'width': width,
                 'height': height,
                 'fragments': [{
-                    'path': url.replace('$M', str(j)),
+                    'url': url.replace('$M', str(j)),
                     'duration': min(fragment_duration, duration - (j * fragment_duration)),
                 } for j in range(math.ceil(fragment_count))],
             }