diff --git a/target/linux/ramips/mt7620/base-files/etc/board.d/02_network b/target/linux/ramips/mt7620/base-files/etc/board.d/02_network
index a55a8ed356..992d8a9c40 100644
--- a/target/linux/ramips/mt7620/base-files/etc/board.d/02_network
+++ b/target/linux/ramips/mt7620/base-files/etc/board.d/02_network
@@ -337,6 +337,7 @@ ramips_setup_macs()
 	engenius,esr600)
 		lan_mac=$(mtd_get_mac_ascii u-boot-env ethaddr)
 		wan_mac=$(mtd_get_mac_ascii u-boot-env wanaddr)
+		label_mac=$wan_mac
 		;;
 	glinet,gl-mt300a|\
 	glinet,gl-mt300n|\