diff --git a/notifications_routing/authorization_service.py b/notifications_routing/authorization_service.py
index 84dfc4be0992af9b39b273eb3c788981bcab7c65..e898e310440abd86203362dc84db09fddad0f674 100644
--- a/notifications_routing/authorization_service.py
+++ b/notifications_routing/authorization_service.py
@@ -41,6 +41,9 @@ def get_group_users_api(group_id: str):
     headers = {"Authorization": "Bearer {}".format(token)}
 
     response = _get_group_users(group_id, headers)
+    if "data" not in response:
+        return []
+
     data = response["data"]
 
     while response.get("pagination").get("next"):