diff --git a/components/actor/heater_hendi.py b/components/actor/heater_hendi.py
index 51603a8..c14132d 100644
--- a/components/actor/heater_hendi.py
+++ b/components/actor/heater_hendi.py
@@ -30,8 +30,9 @@ class HeaterHendi(AHeater):
 		return '1' in s
 
 	def process(self):
-		power_eff = self.power_set if self.is_active else 0
-		self.hendi.setPowerWatts(power_eff)
+		power = self.power_set if self.is_active else 0
+		self.hendi.setPowerWatts(power)
+		self.power_eff = self.hendi.getPowerWatts()
 
 	def set_power(self, power):
 		self.power_set = max(self.get_power_min(), min(self.get_power_max(), power))