diff --git a/firmware/integration/rusefi_config.txt b/firmware/integration/rusefi_config.txt
index 36e1bff4b4..d52baa5c09 100644
--- a/firmware/integration/rusefi_config.txt
+++ b/firmware/integration/rusefi_config.txt
@@ -192,6 +192,7 @@ struct_no_prefix engine_configuration_s
 
 #define TRIGGERS_FILE_NAME "triggers.txt"
 #define TRIGGER_IS_CRANK_KEY "crankBased"
+#define TRIGGER_IS_SECOND_WHEEL_CAM "isSecondWheelCam"
 
 ! 
 ! all the xxx_PACKING_xxx constants are about persisting tables in compact for, for example packing RPM with 50 increment in a byte