diff --git a/custom_components/sws12500/sensors_wslink.py b/custom_components/sws12500/sensors_wslink.py
index 92cfe03..a3a7e97 100644
--- a/custom_components/sws12500/sensors_wslink.py
+++ b/custom_components/sws12500/sensors_wslink.py
@@ -123,6 +123,7 @@ SENSOR_TYPES_WSLINK: tuple[WeatherSensorEntityDescription, ...] = (
         key=WIND_DIR,
         native_unit_of_measurement=DEGREE,
         state_class=SensorStateClass.MEASUREMENT,
+        device_class=SensorDeviceClass.WIND_DIRECTION,
         suggested_display_precision=None,
         icon="mdi:sign-direction",
         translation_key=WIND_DIR,