diff --git a/roles/badges-backend/files/cron/award-oldschool-badges b/roles/badges-backend/files/cron/award-oldschool-badges
index aa0286922f..f63d51e515 100755
--- a/roles/badges-backend/files/cron/award-oldschool-badges
+++ b/roles/badges-backend/files/cron/award-oldschool-badges
@@ -44,7 +44,7 @@ def user_in_group(user, group_name):
     group_id = None
     for g in user.memberships:
         if g.name == group_name:
-            group_id = g.group_id
+            group_id = g.id
             break
 
     if not group_id: