diff --git a/yt_dlp/extractor/wdr.py b/yt_dlp/extractor/wdr.py
index 1c1f0ed05..05eaa7559 100644
--- a/yt_dlp/extractor/wdr.py
+++ b/yt_dlp/extractor/wdr.py
@@ -56,6 +56,7 @@ def _real_extract(self, url):
 
         formats = []
         subtitles = {}
+        seen_manifest_urls = set()
 
         # check if the metadata contains a direct URL to a file
         for kind, media in media_resource.items():
@@ -76,6 +77,10 @@ def _real_extract(self, url):
                 if tag_name not in ('videoURL', 'audioURL'):
                     continue
 
+                if medium_url in seen_manifest_urls:
+                    continue
+                seen_manifest_urls.add(medium_url)
+
                 ext = determine_ext(medium_url)
                 if ext == 'm3u8':
                     formats.extend(self._extract_m3u8_formats(