diff --git a/target/linux/ramips/dts/mt7620a_tplink_archer-c20i.dts b/target/linux/ramips/dts/mt7620a_tplink_archer-c20i.dts
index a363af96cd..7e05a2e1ea 100644
--- a/target/linux/ramips/dts/mt7620a_tplink_archer-c20i.dts
+++ b/target/linux/ramips/dts/mt7620a_tplink_archer-c20i.dts
@@ -53,3 +53,12 @@
 		ralink,function = "gpio";
 	};
 };
+
+&wmac {
+	mtd-mac-address = <&rom 0xf100>;
+};
+
+&wifi {
+	mtd-mac-address = <&rom 0xf100>;
+	mtd-mac-address-increment = <(-1)>;
+};