diff --git a/tournaments/views.py b/tournaments/views.py
index 5a37c26..a22b542 100644
--- a/tournaments/views.py
+++ b/tournaments/views.py
@@ -372,10 +372,9 @@ def tournament_prog_json(request, tournament_id):
         if match is None or isinstance(match, dict) and match.get('empty'):
             live_matches.append({"empty": True})
         else:
-            live_matches.append(match.live_match())
+            live_matches.append(match.live_match().to_dict())
 
-    live_matches_dicts = [match.to_dict() for match in live_matches]
-    data = json.dumps(live_matches_dicts, default=vars)
+    data = json.dumps(live_matches, default=vars)
     return HttpResponse(data, content_type='application/json')
 
 def tournament_group_stages(request, tournament_id):