diff --git a/yt_dlp/extractor/lsm.py b/yt_dlp/extractor/lsm.py
index 5a54a673c..93ea2e35d 100644
--- a/yt_dlp/extractor/lsm.py
+++ b/yt_dlp/extractor/lsm.py
@@ -284,7 +284,7 @@ def _real_extract(self, url):
                 'url': data['playback']['service']['url'],
             }
         else:
-            raise ExtractorError(f'Unsupported playback type "{playback_type}")
+            raise ExtractorError(f'Unsupported playback type "{playback_type}"')
 
         return {
             'id': video_id,