diff --git a/arch/arm/boot/dts/rk3506g-demo-display-control.dts b/arch/arm/boot/dts/rk3506g-demo-display-control.dts
index e1d2fad84f1b..999f2c4e2ba5 100644
--- a/arch/arm/boot/dts/rk3506g-demo-display-control.dts
+++ b/arch/arm/boot/dts/rk3506g-demo-display-control.dts
@@ -31,7 +31,7 @@
 	compatible = "rockchip,rk3506g-demo-display-control", "rockchip,rk3506";
 
 	chosen {
-		bootargs = "earlycon=uart8250,mmio32,0xff0a0000 console=ttyFIQ0 ubi.mtd=4 ubi.block=0,rootfs root=/dev/ubiblock0_0 rootfstype=squashfs rootwait snd_aloop.index=7 snd_aloop.use_raw_jiffies=1";
+		bootargs = "earlycon=uart8250,mmio32,0xff0a0000 console=ttyFIQ0 ubi.mtd=5 ubi.block=0,rootfs root=/dev/ubiblock0_0 rootfstype=squashfs rootwait snd_aloop.index=7 snd_aloop.use_raw_jiffies=1";
 	};
 
 	adc_keys: adc-keys {