diff --git a/target/linux/ramips/dts/WHR-600D.dts b/target/linux/ramips/dts/WHR-600D.dts
index b99d024d07c..df38b8c9517 100644
--- a/target/linux/ramips/dts/WHR-600D.dts
+++ b/target/linux/ramips/dts/WHR-600D.dts
@@ -66,6 +66,7 @@
 		pinctrl-names = "default";
 		pinctrl-0 = <&ephy_pins>;
 
+		mtd-mac-address = <&factory 0x4>;
 		ralink,port-map = "llllw";
 	};