diff --git a/yt_dlp/extractor/niconicochannelplus.py b/yt_dlp/extractor/niconicochannelplus.py
index c5a1ddc4d..7a7c874d3 100644
--- a/yt_dlp/extractor/niconicochannelplus.py
+++ b/yt_dlp/extractor/niconicochannelplus.py
@@ -50,6 +50,8 @@ def _download_api_json(self, site_url, path, video_id, headers={}, **kwargs):
             'fc_use_device': 'null',
             **headers,
         }
+        if jwt_arg := self._configuration_arg('jwt_token', ie_key='niconicochannelplus', casesense=True):
+            headers['Authorization'] = f'Bearer {jwt_arg}'
         return self._download_json(f'{settings["api_base_url"]}{path}', video_id, headers=headers, **kwargs)
 
     def _get_fanclub_site_id(self, url):