diff --git a/yt_dlp/extractor/cctv.py b/yt_dlp/extractor/cctv.py
index 9b8612138..0ed5f327b 100644
--- a/yt_dlp/extractor/cctv.py
+++ b/yt_dlp/extractor/cctv.py
@@ -162,7 +162,8 @@ def _real_extract(self, url):
                         'url': video_url,
                         'format_id': 'http',
                         'quality': quality,
-                        'source_preference': -10
+                        # Sample clip
+                        'preference': -10
                     })
 
         hls_url = try_get(data, lambda x: x['hls_url'], compat_str)