diff --git a/arch/arm/boot/dts/rv1126-ai-cam-ddr3-v1-spi-nand.dts b/arch/arm/boot/dts/rv1126-ai-cam-ddr3-v1-spi-nand.dts
index 044da4b86600..f9944e0202a6 100644
--- a/arch/arm/boot/dts/rv1126-ai-cam-ddr3-v1-spi-nand.dts
+++ b/arch/arm/boot/dts/rv1126-ai-cam-ddr3-v1-spi-nand.dts
@@ -11,7 +11,7 @@
 	compatible = "rockchip,rv1126-ai-cam-ddr3-v1-spi-nand", "rockchip,rv1126";
 
 	chosen {
-		bootargs = "earlycon=uart8250,mmio32,0xff570000 console=ttyFIQ0 ubi.mtd=3 root=ubi0:rootfs rootfstype=ubifs snd_aloop.index=7";
+		bootargs = "earlycon=uart8250,mmio32,0xff570000 console=ttyFIQ0 ubi.mtd=2 root=ubi0:rootfs rootfstype=ubifs snd_aloop.index=7";
 	};
 };