diff --git a/yt_dlp/extractor/dzsecurity.py b/yt_dlp/extractor/dzsecurity.py
index 9b889dccb..0ac452d2b 100644
--- a/yt_dlp/extractor/dzsecurity.py
+++ b/yt_dlp/extractor/dzsecurity.py
@@ -75,9 +75,6 @@ def _real_extract(self, url):
         return {
             'id': stream_id,
             'title': title,
-            'formats': self._extract_m3u8_formats(
-                m3u8_url, stream_id, ext='mp4', entry_protocol='m3u8',
-                m3u8_id='hls', fatal=True,
-            ),
+            'formats': self._extract_m3u8_formats(m3u8_url, stream_id),
             'is_live': True,
         }