diff --git a/yt_dlp/downloader/niconico.py b/yt_dlp/downloader/niconico.py
index 265f6b2e30..17a8f8f91b 100644
--- a/yt_dlp/downloader/niconico.py
+++ b/yt_dlp/downloader/niconico.py
@@ -181,11 +181,7 @@ def real_download(self, filename, info_dict):
             ie = NiconicoIE(self.ydl)
 
             video_id = info_dict['id']
-
-            # Get format index
-            for format_index, fmt in enumerate(info_dict['formats']):
-                if fmt['format_id'] == info_dict['format_id']:
-                    break
+            format_index = next((i for i, fmt in enumerate(info_dict['formats']) if fmt['format_id'] == info_dict['format_id']))
 
             # Get video info
             total_duration = 0