diff --git a/tournaments/models/tournament.py b/tournaments/models/tournament.py
index 3b12130..ba76ed3 100644
--- a/tournaments/models/tournament.py
+++ b/tournaments/models/tournament.py
@@ -665,7 +665,7 @@ class Tournament(models.Model):
 
     def has_all_group_stages_started(self):
         for group_stage in self.groupstage_set.all():
-            if group_stage.has_at_least_one_started_match() == False
+            if group_stage.has_at_least_one_started_match() == False:
                 return False
         return True