diff --git a/src/mainboard/intel/shadowmountain/Kconfig b/src/mainboard/intel/shadowmountain/Kconfig
index e42160fd1a..94a279f37b 100644
--- a/src/mainboard/intel/shadowmountain/Kconfig
+++ b/src/mainboard/intel/shadowmountain/Kconfig
@@ -31,12 +31,12 @@ config CHROMEOS
 	select GBB_FLAG_FORCE_DEV_BOOT_USB
 	select GBB_FLAG_FORCE_DEV_BOOT_ALTFW
 	select GBB_FLAG_FORCE_MANUAL_RECOVERY
-	select GBB_FLAG_DISABLE_EC_SOFTWARE_SYNC
 
 config VBOOT
 	select EC_GOOGLE_CHROMEEC_SWITCHES
 	select VBOOT_LID_SWITCH
 	select HAS_RECOVERY_MRC_CACHE
+	select VBOOT_EARLY_EC_SYNC
 
 config DIMM_SPD_SIZE
 	int