diff --git a/backend/media/views.py b/backend/media/views.py
index 25fa5f910..2ee55d162 100644
--- a/backend/media/views.py
+++ b/backend/media/views.py
@@ -19,7 +19,7 @@ class GetMediaView(APIView):
     Return the image/pdf of a document
     '''
 
-    permission_classes = [IsAuthenticated, CorpusAccessPermission]
+    permission_classes = (CorpusAccessPermission,)
 
     def get(self, request, *args, **kwargs):
         corpus_name = corpus_name_from_request(request)
@@ -60,7 +60,7 @@ class MediaMetadataView(APIView):
     Return metadata on the media for a document
     '''
 
-    permission_classes = [IsAuthenticated, CorpusAccessPermission]
+    permission_classes = (CorpusAccessPermission,)
 
     def post(self, request, *args, **kwargs):
         corpus_name = corpus_name_from_request(request)