diff --git a/plat/mediatek/mt8173/platform.mk b/plat/mediatek/mt8173/platform.mk
index ab1d5d7..1c550f3 100644
--- a/plat/mediatek/mt8173/platform.mk
+++ b/plat/mediatek/mt8173/platform.mk
@@ -32,6 +32,7 @@
 MTK_PLAT_SOC		:=	${MTK_PLAT}/${PLAT}
 
 PLAT_INCLUDES		:=	-I${MTK_PLAT}/common/				\
+				-I${MTK_PLAT_SOC}/drivers/crypt/		\
 				-I${MTK_PLAT_SOC}/drivers/mtcmos/		\
 				-I${MTK_PLAT_SOC}/drivers/pmic/			\
 				-I${MTK_PLAT_SOC}/drivers/rtc/			\
@@ -61,6 +62,7 @@
 				${MTK_PLAT_SOC}/aarch64/plat_helpers.S		\
 				${MTK_PLAT_SOC}/aarch64/platform_common.c	\
 				${MTK_PLAT_SOC}/bl31_plat_setup.c		\
+				${MTK_PLAT_SOC}/drivers/crypt/crypt.c		\
 				${MTK_PLAT_SOC}/drivers/mtcmos/mtcmos.c		\
 				${MTK_PLAT_SOC}/drivers/pmic/pmic_wrap_init.c	\
 				${MTK_PLAT_SOC}/drivers/rtc/rtc.c		\