diff --git a/package/boot/uboot-sunxi/uEnv-a64.txt b/package/boot/uboot-sunxi/uEnv-a64.txt
index 7a717fdc0f..a47ebda613 100644
--- a/package/boot/uboot-sunxi/uEnv-a64.txt
+++ b/package/boot/uboot-sunxi/uEnv-a64.txt
@@ -1,5 +1,7 @@
-setenv loadkernel fatload mmc 0 \$kernel_addr_r uImage
-setenv loaddtb fatload mmc 0 \$fdt_addr_r dtb
-setenv bootargs console=ttyS0,115200 earlyprintk root=/dev/mmcblk0p2 rootwait earlycon=uart,mmio32,0x01c28000
+setenv mmc_rootpart 2
+part uuid mmc ${mmc_bootdev}:${mmc_rootpart} uuid
+setenv loadkernel fatload mmc \$mmc_bootdev \$kernel_addr_r uImage
+setenv loaddtb fatload mmc \$mmc_bootdev \$fdt_addr_r dtb
+setenv bootargs console=ttyS0,115200 earlyprintk root=PARTUUID=${uuid} rootwait earlycon=uart,mmio32,0x01c28000
 setenv uenvcmd run loadkernel \&\& run loaddtb \&\& booti \$kernel_addr_r - \$fdt_addr_r
 run uenvcmd