diff --git a/components/truma_inetbox/number/TrumaHeaterNumber.cpp b/components/truma_inetbox/number/TrumaHeaterNumber.cpp
index 6a8a223..6362860 100644
--- a/components/truma_inetbox/number/TrumaHeaterNumber.cpp
+++ b/components/truma_inetbox/number/TrumaHeaterNumber.cpp
@@ -32,7 +32,7 @@ void TrumaHeaterNumber::control(float value) {
       this->parent_->action_heater_water(static_cast<u_int8_t>(value));
       break;
     case TRUMA_NUMBER_TYPE::ELECTRIC_POWER_LEVEL:
-      this->parent_->action_heater_water(static_cast<u_int16_t>(value));
+      this->parent_->action_heater_electric_power_level(static_cast<u_int16_t>(value));
       break;
   }
 }