diff --git a/meta-digi-arm/recipes-bsp/imx-mkimage/imx-boot_1.0.bbappend b/meta-digi-arm/recipes-bsp/imx-mkimage/imx-boot_1.0.bbappend
index a0408703f..893a5b4cd 100644
--- a/meta-digi-arm/recipes-bsp/imx-mkimage/imx-boot_1.0.bbappend
+++ b/meta-digi-arm/recipes-bsp/imx-mkimage/imx-boot_1.0.bbappend
@@ -214,6 +214,7 @@ do_deploy_append () {
 		[ -n "${TRUSTFENCE_DEK_PATH}" ] && [ "${TRUSTFENCE_DEK_PATH}" != "0" ] && export CONFIG_DEK_PATH="${TRUSTFENCE_DEK_PATH}"
 		[ -n "${TRUSTFENCE_SIGN_MODE}" ] && export CONFIG_SIGN_MODE="${TRUSTFENCE_SIGN_MODE}"
 		[ -n "${TRUSTFENCE_SRK_REVOKE_MASK}" ] && export SRK_REVOKE_MASK="${TRUSTFENCE_SRK_REVOKE_MASK}"
+		[ -n "${TRUSTFENCE_UNLOCK_KEY_REVOCATION}" ] && export CONFIG_UNLOCK_SRK_REVOKE="${TRUSTFENCE_UNLOCK_KEY_REVOCATION}"
 
 		# Sign U-boot image
 		if [ "${UBOOT_RAM_COMBINATIONS}" = "" ]; then