diff --git a/target/linux/ramips/base-files/etc/uci-defaults/network b/target/linux/ramips/base-files/etc/uci-defaults/network
index bbf03344370e648bc2a60eede67acbf0489cef73..cc3f21215102ef51f5d775d822b83b7a5d32197b 100755
--- a/target/linux/ramips/base-files/etc/uci-defaults/network
+++ b/target/linux/ramips/base-files/etc/uci-defaults/network
@@ -107,6 +107,11 @@ ramips_setup_macs()
 		wan_mac=$(/usr/sbin/maccalc add "$lan_mac" 5)
 		;;
 
+	fonera20n)
+		lan_mac=$(ramips_get_mac_binary factory 40)
+		wan_mac=$(/usr/sbin/maccalc add "$lan_mac" 1)
+		;;
+
 	dir-300-b1 |\
 	dir-300-b2 |\
 	dir-600-b1)
diff --git a/target/linux/ramips/base-files/lib/preinit/06_set_iface_mac b/target/linux/ramips/base-files/lib/preinit/06_set_iface_mac
index 69d1b8cb20274af1f316c4b7a11c462c9c2a2329..a605b22f8cc433259775e2ccefc270ceeb001650 100644
--- a/target/linux/ramips/base-files/lib/preinit/06_set_iface_mac
+++ b/target/linux/ramips/base-files/lib/preinit/06_set_iface_mac
@@ -26,6 +26,7 @@ preinit_set_mac_address() {
                 ifconfig eth0 hw ether $mac 2>/dev/null
                 ;;
 	all0256n |\
+	fonera20n |\
 	hw550-3g |\
 	nbg-419n |\
 	omni-emb |\