diff --git a/firmware/controllers/actuators/ac_control.txt b/firmware/controllers/actuators/ac_control.txt
index b0e4ea3026..b9e69c7064 100644
--- a/firmware/controllers/actuators/ac_control.txt
+++ b/firmware/controllers/actuators/ac_control.txt
@@ -7,6 +7,7 @@ bit engineTooHot
 bit tpsTooHigh
 
 bit acButtonState
+bit isDisabledByLua
 
 int latest_usage_ac_control;