diff --git a/configs/imx6ul_isiot_nand_defconfig b/configs/imx6ul_isiot_nand_defconfig
index b4db4a5..4d2fdf1 100644
--- a/configs/imx6ul_isiot_nand_defconfig
+++ b/configs/imx6ul_isiot_nand_defconfig
@@ -7,6 +7,7 @@
 CONFIG_NR_DRAM_BANKS=1
 CONFIG_ENV_SIZE=0x20000
 CONFIG_ENV_OFFSET=0x400000
+CONFIG_MX6UL=y
 CONFIG_TARGET_MX6UL_ENGICAM=y
 CONFIG_SPL_TEXT_BASE=0x00908000
 CONFIG_SPL_SERIAL_SUPPORT=y