diff --git a/Python/azure_iot_hub_list_devices.py b/Python/azure_iot_hub_list_devices.py
index b622e26..1405c9b 100644
--- a/Python/azure_iot_hub_list_devices.py
+++ b/Python/azure_iot_hub_list_devices.py
@@ -30,6 +30,7 @@ for twin in query_result.items:
         "device_id": twin.device_id,
         "number": twin.tags.get("number") if twin.tags else None,
         "site": twin.tags.get("site") if twin.tags else None,
+        "subsite": twin.tags.get("subsite") if twin.tags else None,
         "connection_state": twin.connection_state,
         "last_activity_time": twin.last_activity_time
     })
@@ -60,4 +61,4 @@ if "last_activity_time" in df_sorted.columns:
     )
 
 
-df_sorted.to_excel("iot_devices.xlsx", index=False)
\ No newline at end of file
+df_sorted.to_excel("iot_devices_20260204.xlsx", index=False)
\ No newline at end of file