diff --git a/homeassistant/components/geofency/device_tracker.py b/homeassistant/components/geofency/device_tracker.py
index 178c72d2071..b72ad4bc04c 100644
--- a/homeassistant/components/geofency/device_tracker.py
+++ b/homeassistant/components/geofency/device_tracker.py
@@ -38,9 +38,10 @@ async def async_setup_entry(
     dev_reg = dr.async_get(hass)
     dev_ids = {
         identifier[1]
-        for device in dev_reg.devices.values()
+        for device in dev_reg.devices.get_devices_for_config_entry_id(
+            config_entry.entry_id
+        )
         for identifier in device.identifiers
-        if identifier[0] == GF_DOMAIN
     }
 
     if dev_ids: