diff --git a/yt_dlp/extractor/zattoo.py b/yt_dlp/extractor/zattoo.py
index 16f827a7e..2a7e85472 100644
--- a/yt_dlp/extractor/zattoo.py
+++ b/yt_dlp/extractor/zattoo.py
@@ -220,7 +220,7 @@ class ZattooPlatformBaseIE(InfoExtractor):
             'id': channel_name,
             'title': channel_name,
             'is_live': True,
-            'format': formats,
+            'formats': formats,
             'subtitles': subtitles
         }