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 dffccd9fad..43be592071 100755
--- a/target/linux/ipq40xx/base-files/etc/board.d/02_network
+++ b/target/linux/ipq40xx/base-files/etc/board.d/02_network
@@ -65,7 +65,7 @@ ipq40xx_setup_macs()
 		;;
 	linksys,ea6350v3)
 		wan_mac=$(mtd_get_mac_ascii devinfo hw_mac_addr)
-		lan_mac=$(macaddr_add $(wan_mac) +1)
+		lan_mac=$(macaddr_add "$wan_mac" 1)
 		;;
 	esac