diff --git a/target/linux/ipq806x/base-files/lib/preinit/04_reorder_eth b/target/linux/ipq806x/base-files/lib/preinit/04_reorder_eth
new file mode 100644
index 0000000000..9f58473617
--- /dev/null
+++ b/target/linux/ipq806x/base-files/lib/preinit/04_reorder_eth
@@ -0,0 +1,13 @@
+. /lib/functions.sh
+
+preinit_reorder_eth() {
+	case $(board_name) in
+	ubnt,unifi-ac-hd)
+		ip link set eth0 name ethtmp
+		ip link set eth1 name eth0
+		ip link set ethtmp name eth1
+		;;
+	esac
+}
+
+boot_hook_add preinit_main preinit_reorder_eth
diff --git a/target/linux/ipq806x/files/arch/arm/boot/dts/qcom-ipq8064-unifi-ac-hd.dts b/target/linux/ipq806x/files/arch/arm/boot/dts/qcom-ipq8064-unifi-ac-hd.dts
index 70c51b90f3..672be3ca2c 100644
--- a/target/linux/ipq806x/files/arch/arm/boot/dts/qcom-ipq8064-unifi-ac-hd.dts
+++ b/target/linux/ipq806x/files/arch/arm/boot/dts/qcom-ipq8064-unifi-ac-hd.dts
@@ -16,8 +16,8 @@
 		led-running = &led_dome_blue;
 		led-upgrade = &led_dome_blue;
 		mdio-gpio0 = &mdio0;
-		ethernet0 = &gmac1;
-		ethernet1 = &gmac2;
+		ethernet0 = &gmac2;
+		ethernet1 = &gmac1;
 	};
 
 	leds {