diff --git a/src/soc/mediatek/mt8173/Kconfig b/src/soc/mediatek/mt8173/Kconfig
index 91a8d4fe75..ec3481e366 100644
--- a/src/soc/mediatek/mt8173/Kconfig
+++ b/src/soc/mediatek/mt8173/Kconfig
@@ -6,6 +6,7 @@ config SOC_MEDIATEK_MT8173
 	select ARCH_RAMSTAGE_ARMV8_64
 	select ARCH_ROMSTAGE_ARMV8_64
 	select ARCH_VERSTAGE_ARMV8_64
+	select ARM64_USE_ARM_TRUSTED_FIRMWARE
 	select BOOTBLOCK_CONSOLE
 	select HAVE_UART_SPECIAL
 	select SPI_ATOMIC_SEQUENCING if SPI_FLASH