diff --git a/conf/machine/cubox-i.conf b/conf/machine/cubox-i.conf
index 44e8cfb..5bbc98d 100644
--- a/conf/machine/cubox-i.conf
+++ b/conf/machine/cubox-i.conf
@@ -24,6 +24,9 @@ UBOOT_CONFIG[sd] = "mx6cuboxi_defconfig,sdcard"
 UENV_FILENAME = "uEnv-${MACHINE}.txt"
 SPL_BINARY = "SPL"
 
+UBOOT_EXTLINUX = "1"
+UBOOT_EXTLINUX_ROOT = "root=PARTUUID=${uuid}"
+
 KERNEL_IMAGETYPE = "zImage"
 KERNEL_DEVICETREE = "imx6dl-cubox-i.dtb imx6q-cubox-i.dtb imx6dl-hummingboard.dtb imx6q-hummingboard.dtb"