diff --git a/target/linux/ramips/dts/DIR-645.dts b/target/linux/ramips/dts/DIR-645.dts
index 0a9d83f..60e7f46 100644
--- a/target/linux/ramips/dts/DIR-645.dts
+++ b/target/linux/ramips/dts/DIR-645.dts
@@ -63,7 +63,7 @@
 	};
 
 	ethernet@10100000 {
-		mtd-mac-address = <&factory 0x28>;
+		mtd-mac-address = <&factory 0x4>;
 		port@0 {
 			ralink,fixed-link = <1000 1 1 0>;
 		};