diff --git a/target/linux/mcs814x/files-3.3/arch/arm/boot/dts/dlan-usb-extender.dts b/target/linux/mcs814x/files-3.3/arch/arm/boot/dts/dlan-usb-extender.dts
index 4adfaa3297..d8a956c416 100644
--- a/target/linux/mcs814x/files-3.3/arch/arm/boot/dts/dlan-usb-extender.dts
+++ b/target/linux/mcs814x/files-3.3/arch/arm/boot/dts/dlan-usb-extender.dts
@@ -14,7 +14,7 @@
 	compatible = "devolo,dlan-usb-extender", "moschip,mcs8140", "moschip,mcs814x";
 
 	chosen {
-		bootargs = "mem=16M console=ttyS0,57600 earlyprintk";
+		bootargs = "mem=16M console=ttyS0,57600 earlyprintk rootfstype=squashfs,jffs2 root=/dev/mtdblock4";
 	};
 
 	ahb {