diff --git a/tournaments/models/tournament.py b/tournaments/models/tournament.py
index b39f96d..4aae976 100644
--- a/tournaments/models/tournament.py
+++ b/tournaments/models/tournament.py
@@ -90,7 +90,7 @@ class Tournament(models.Model):
             group = self.group_stage_match_group(group_stage, broadcasted)
             groups.append(group)
         for round in self.round_set.all():
-            groups = self.round_match_groups(round, broadcasted)
+            groups.extend(self.round_match_groups(round, broadcasted))
         return groups
 
     def group_stage_match_group(self, group_stage, broadcasted):