diff --git a/homeassistant/components/nexia/climate.py b/homeassistant/components/nexia/climate.py
index f8c08b4efd6..aa7c55df33f 100644
--- a/homeassistant/components/nexia/climate.py
+++ b/homeassistant/components/nexia/climate.py
@@ -166,12 +166,11 @@ class NexiaZone(NexiaThermostatZoneEntity, ClimateEntity):
         self._has_emergency_heat = self._thermostat.has_emergency_heat()
         self._has_humidify_support = self._thermostat.has_humidify_support()
         self._has_dehumidify_support = self._thermostat.has_dehumidify_support()
-        supported = NEXIA_SUPPORTED
+        self._attr_supported_features = NEXIA_SUPPORTED
         if self._has_humidify_support or self._has_dehumidify_support:
-            supported |= ClimateEntityFeature.TARGET_HUMIDITY
+            self._attr_supported_features |= ClimateEntityFeature.TARGET_HUMIDITY
         if self._has_emergency_heat:
-            supported |= ClimateEntityFeature.AUX_HEAT
-        self._attr_supported_features = supported
+            self._attr_supported_features |= ClimateEntityFeature.AUX_HEAT
         self._attr_preset_modes = self._zone.get_presets()
         self._attr_fan_modes = self._thermostat.get_fan_modes()
         self._attr_hvac_modes = HVAC_MODES