diff --git a/custom_components/battery_notes/__init__.py b/custom_components/battery_notes/__init__.py
index 5e0ca54a..481ad918 100644
--- a/custom_components/battery_notes/__init__.py
+++ b/custom_components/battery_notes/__init__.py
@@ -398,7 +398,7 @@ async def handle_battery_last_reported(call):
 
         device: BatteryNotesDevice
         for device in hass.data[DOMAIN][DATA].devices.values():
-            if device.coordinator.last_reported:
+            if device.coordinator.device_id and device.coordinator.last_reported:
                 time_since_lastreported = (
                     datetime.fromisoformat(str(datetime.utcnow()) + "+00:00")
                     - device.coordinator.last_reported