diff --git a/swh/deposit/urls.py b/swh/deposit/urls.py
--- a/swh/deposit/urls.py
+++ b/swh/deposit/urls.py
@@ -29,7 +29,7 @@
 )
 
 
-def default_view(req):
+def default_view(req, format=None):
     return render(req, "homepage.html")