diff --git a/homeassistant/components/tellduslive/sensor.py b/homeassistant/components/tellduslive/sensor.py
index 2c3ae3588ab..d52fded3932 100644
--- a/homeassistant/components/tellduslive/sensor.py
+++ b/homeassistant/components/tellduslive/sensor.py
@@ -118,6 +118,7 @@ SENSOR_TYPES: dict[str, SensorEntityDescription] = {
         key=SENSOR_TYPE_BAROMETRIC_PRESSURE,
         name="Barometric Pressure",
         native_unit_of_measurement=UnitOfPressure.KPA,
+        device_class=SensorDeviceClass.PRESSURE,
         state_class=SensorStateClass.MEASUREMENT,
     ),
 }