diff --git a/components/truma_inetbox/TrumaiNetBoxApp.h b/components/truma_inetbox/TrumaiNetBoxApp.h
index dd6ae0f..64c29ca 100644
--- a/components/truma_inetbox/TrumaiNetBoxApp.h
+++ b/components/truma_inetbox/TrumaiNetBoxApp.h
@@ -32,7 +32,7 @@ namespace truma_inetbox {
 #define STAUTS_FRAME_CONFIG 0x17
 #define STATUS_FRAME_HEATER_RESPONSE (STATUS_FRAME_HEATER - 1)
 #define STATUS_FRAME_HEATER 0x33
-#define STATUS_FRAME_AIRCON_RESPONSE 0x34(STATUS_FRAME_AIRCON - 1)
+#define STATUS_FRAME_AIRCON_RESPONSE (STATUS_FRAME_AIRCON - 1)
 #define STATUS_FRAME_AIRCON 0x35
 // Error response - unknown function
 #define STATUS_FRAME_UNKNOWN_36 0x36