diff --git a/homeassistant/components/nuki/binary_sensor.py b/homeassistant/components/nuki/binary_sensor.py
index 3b79eef324f..52cf1090d9e 100644
--- a/homeassistant/components/nuki/binary_sensor.py
+++ b/homeassistant/components/nuki/binary_sensor.py
@@ -4,7 +4,10 @@ import logging
 
 from pynuki import STATE_DOORSENSOR_OPENED
 
-from homeassistant.components.binary_sensor import DEVICE_CLASS_DOOR, BinarySensorEntity
+from homeassistant.components.binary_sensor import (
+    BinarySensorDeviceClass,
+    BinarySensorEntity,
+)
 
 from . import NukiEntity
 from .const import ATTR_NUKI_ID, DATA_COORDINATOR, DATA_LOCKS, DOMAIN as NUKI_DOMAIN
@@ -29,7 +32,7 @@ async def async_setup_entry(hass, entry, async_add_entities):
 class NukiDoorsensorEntity(NukiEntity, BinarySensorEntity):
     """Representation of a Nuki Lock Doorsensor."""
 
-    _attr_device_class = DEVICE_CLASS_DOOR
+    _attr_device_class = BinarySensorDeviceClass.DOOR
 
     @property
     def name(self):