diff --git a/tournaments/models/group_stage.py b/tournaments/models/group_stage.py
index 02dbbf3..a786de0 100644
--- a/tournaments/models/group_stage.py
+++ b/tournaments/models/group_stage.py
@@ -166,7 +166,7 @@ class GroupStage(SideStoreModel):
 
 class LiveGroupStage:
     def __init__(self, id, title, step, index):
-        self.id = id
+        self.id = str(id)
         self.title = title
         self.teams = []
         self.start = None