diff --git a/gpodder/views.py b/gpodder/views.py
index d2a985b..a4e3b79 100644
--- a/gpodder/views.py
+++ b/gpodder/views.py
@@ -242,7 +242,7 @@ def episode_actions(request, username):
                 except Exception:
                     pass
 
-        return JsonResponse({'timestamp': _now_ts()})
+        return JsonResponse({'timestamp': _now_ts(), 'update_urls': []})
 
     elif request.method == 'GET':
         since = request.GET.get('since')