diff --git a/src/mainboard/google/reef/variants/baseboard/include/baseboard/ec.h b/src/mainboard/google/reef/variants/baseboard/include/baseboard/ec.h
index 9c8549df45..542f33a457 100644
--- a/src/mainboard/google/reef/variants/baseboard/include/baseboard/ec.h
+++ b/src/mainboard/google/reef/variants/baseboard/include/baseboard/ec.h
@@ -32,6 +32,7 @@
 	 EC_HOST_EVENT_MASK(EC_HOST_EVENT_THROTTLE_START)    |\
 	 EC_HOST_EVENT_MASK(EC_HOST_EVENT_THROTTLE_STOP)     |\
 	 EC_HOST_EVENT_MASK(EC_HOST_EVENT_USB_CHARGER)       |\
+	 EC_HOST_EVENT_MASK(EC_HOST_EVENT_MKBP)              |\
 	 EC_HOST_EVENT_MASK(EC_HOST_EVENT_PD_MCU))
 
 #define MAINBOARD_EC_SMI_EVENTS \