diff --git a/homeassistant/components/devolo_home_control/climate.py b/homeassistant/components/devolo_home_control/climate.py
index d44a0c981f1..05f4363c384 100644
--- a/homeassistant/components/devolo_home_control/climate.py
+++ b/homeassistant/components/devolo_home_control/climate.py
@@ -27,7 +27,7 @@ async def async_setup_entry(
 
     for device in hass.data[DOMAIN]["homecontrol"].multi_level_switch_devices:
         for multi_level_switch in device.multi_level_switch_property:
-            if device.deviceModelUID in [
+            if device.device_model_uid in [
                 "devolo.model.Thermostat:Valve",
                 "devolo.model.Room:Thermostat",
             ]: