diff --git a/yt_dlp/extractor/ceskatelevize.py b/yt_dlp/extractor/ceskatelevize.py
index 6c90b247e..ddf66b207 100644
--- a/yt_dlp/extractor/ceskatelevize.py
+++ b/yt_dlp/extractor/ceskatelevize.py
@@ -177,6 +177,7 @@ class CeskaTelevizeIE(InfoExtractor):
                 is_live = item.get('type') == 'LIVE'
                 formats = []
                 for format_id, stream_url in item.get('streamUrls', {}).items():
+                    stream_url = stream_url.replace('https://', 'http://')
                     if 'playerType=flash' in stream_url:
                         stream_formats = self._extract_m3u8_formats(
                             stream_url, playlist_id, 'mp4', 'm3u8_native',