diff --git a/yt_dlp/extractor/twitch.py b/yt_dlp/extractor/twitch.py
index 15cf51639..414cd9866 100644
--- a/yt_dlp/extractor/twitch.py
+++ b/yt_dlp/extractor/twitch.py
@@ -62,7 +62,7 @@ def _CLIENT_ID(self):
 
     @property
     def _DEVICE_ID(self):
-        return self._configuration_arg('device_id', [None], ie_key='Twitch')[0]
+        return self._configuration_arg('device_id', [None], ie_key='Twitch', casesense=True)[0]
 
     @property
     def _CLIENT_INTEGRITY(self):