diff --git a/ESPMegaPRO-firmware/lib/ESPMegaPRO/ClimateIoT.hpp b/ESPMegaPRO-firmware/lib/ESPMegaPRO/ClimateIoT.hpp
index 335d56a..18e6d80 100644
--- a/ESPMegaPRO-firmware/lib/ESPMegaPRO/ClimateIoT.hpp
+++ b/ESPMegaPRO-firmware/lib/ESPMegaPRO/ClimateIoT.hpp
@@ -34,7 +34,7 @@ class ClimateIoT : public IoTComponent {
         void loop();
         uint8_t getType();
     private:
-        ClimateCard *climate_card;
+        ClimateCard *card;
         bool processSetTemperatureMessage(char *topic, char *payload, uint8_t topic_length);
         bool processSetModeMessage(char *topic, char *payload, uint8_t topic_length);
         bool processSetFanSpeedMessage(char *topic, char *payload, uint8_t topic_length);