diff --git a/target/linux/ipq40xx/base-files/etc/board.d/01_leds b/target/linux/ipq40xx/base-files/etc/board.d/01_leds
index adf5a16b36..b8ed907ee6 100755
--- a/target/linux/ipq40xx/base-files/etc/board.d/01_leds
+++ b/target/linux/ipq40xx/base-files/etc/board.d/01_leds
@@ -57,7 +57,7 @@ hugo,ac1200)
 	ucidef_set_led_default "blue" "BLUE" "${boardname}:blue:ctrl3" "1"
 	;;
 mobipromo,cm520-79f)
-	ucidef_set_led_netdev "wan" "WAN" "${boardname}:blue:wan" "eth1"
+	ucidef_set_led_switch "wan" "WAN" "${boardname}:blue:wan" "switch0" "0x20"
 	ucidef_set_led_switch "lan1" "LAN1" "${boardname}:blue:lan1" "switch0" "0x10"
 	ucidef_set_led_switch "lan2" "LAN2" "${boardname}:blue:lan2" "switch0" "0x08"
 	;;
diff --git a/target/linux/ipq40xx/base-files/etc/board.d/02_network b/target/linux/ipq40xx/base-files/etc/board.d/02_network
index 680b11e976..3706c97b29 100755
--- a/target/linux/ipq40xx/base-files/etc/board.d/02_network
+++ b/target/linux/ipq40xx/base-files/etc/board.d/02_network
@@ -66,8 +66,7 @@ ipq40xx_setup_interfaces()
 		;;
 	mobipromo,cm520-79f)
 		ucidef_add_switch "switch0" \
-			"0t@eth0" "3:lan:2" "4:lan:1"
-		ucidef_set_interface_wan "eth1"
+			"0t@eth0" "3:lan:2" "4:lan:1" "5:wan"
 		;;
 	netgear,ex6100v2|\
 	netgear,ex6150v2|\