diff --git a/cron/reports.py b/cron/reports.py
index bfa22ee..aed063b 100644
--- a/cron/reports.py
+++ b/cron/reports.py
@@ -299,10 +299,10 @@ if __name__ == "__main__":
             "password": "<pwd>"
         },
         "musterRollConfig": {
-            "groupIds": "2,3,4"
+            "groupIds": ["2", "3", "4"]
         },
         "inOutConfig": {
-            "groupIds": "2,3,4"
+            "groupIds": ["2", "3", "4"]
         }
     }
     """