diff --git a/target/linux/ramips/dts/ArcherC20i.dts b/target/linux/ramips/dts/ArcherC20i.dts
index 94efb89dc8..8d4f51a5f6 100644
--- a/target/linux/ramips/dts/ArcherC20i.dts
+++ b/target/linux/ramips/dts/ArcherC20i.dts
@@ -152,6 +152,7 @@
 
 &wmac {
 	ralink,mtd-eeprom = <&radio 0>;
+	mtd-mac-address = <&rom 0xf100>;
 };
 
 &pcie {
@@ -163,5 +164,7 @@
 		reg = <0x0000 0 0 0 0>;
 		mediatek,mtd-eeprom = <&radio 32768>;
 		ieee80211-freq-limit = <5000000 6000000>;
+		mtd-mac-address = <&rom 0xf100>;
+		mtd-mac-address-increment = <(-1)>;
 	};
 };