diff --git a/target/linux/ramips/dts/ZBT-WA05.dts b/target/linux/ramips/dts/ZBT-WA05.dts
index 714d2733a6..13c78c755f 100644
--- a/target/linux/ramips/dts/ZBT-WA05.dts
+++ b/target/linux/ramips/dts/ZBT-WA05.dts
@@ -70,7 +70,11 @@
 
 	ethernet@10100000 {
 		mtd-mac-address = <&factory 0x4>;
-		ralink,port-map = "llllw";
+		ralink,port-map = "wllll";
+	};
+
+	wmac@10180000 {
+		ralink,mtd-eeprom = <&factory 0>;
 	};
 
 	pinctrl {