diff --git a/target/linux/ath79/dts/qca9531_comfast_cf-ew71-v2.dts b/target/linux/ath79/dts/qca9531_comfast_cf-ew71-v2.dts
index 934cb19a58..a467e5e823 100644
--- a/target/linux/ath79/dts/qca9531_comfast_cf-ew71-v2.dts
+++ b/target/linux/ath79/dts/qca9531_comfast_cf-ew71-v2.dts
@@ -15,6 +15,7 @@
 		led-boot = &led_wan;
 		led-failsafe = &led_wan;
 		led-upgrade = &led_wan;
+		label-mac-device = &eth1;
 	};
 
 	leds {