diff --git a/custom_components/motion_light/number.py b/custom_components/motion_light/number.py
index a06f932..ba548d4 100644
--- a/custom_components/motion_light/number.py
+++ b/custom_components/motion_light/number.py
@@ -10,6 +10,7 @@ from homeassistant.helpers.restore_state import RestoreEntity
 from homeassistant.helpers.device_registry import DeviceInfo
 from .const import (
     DOMAIN,
+    CONF_LUX_SENSOR,
     ENTITY_MOTION_FILTER,
     ENTITY_OFF_DELAY,
     ENTITY_LUX_THRESHOLD,