diff --git a/homeassistant/components/zha/sensor.py b/homeassistant/components/zha/sensor.py
index 8b2de754ad8..3f46196d1c7 100644
--- a/homeassistant/components/zha/sensor.py
+++ b/homeassistant/components/zha/sensor.py
@@ -306,6 +306,7 @@ class ElectricalMeasurementApparentPower(
     """Apparent power measurement."""
 
     SENSOR_ATTR = "apparent_power"
+    _attr_device_class: SensorDeviceClass = SensorDeviceClass.APPARENT_POWER
     _unit = POWER_VOLT_AMPERE
     _div_mul_prefix = "ac_power"