diff --git a/target/linux/ipq40xx/base-files/lib/preinit/05_set_iface_mac_ipq40xx.sh b/target/linux/ipq40xx/base-files/lib/preinit/05_set_iface_mac_ipq40xx.sh
index 51ba7071e7..1b8454e4c5 100644
--- a/target/linux/ipq40xx/base-files/lib/preinit/05_set_iface_mac_ipq40xx.sh
+++ b/target/linux/ipq40xx/base-files/lib/preinit/05_set_iface_mac_ipq40xx.sh
@@ -29,6 +29,7 @@ preinit_set_mac_address() {
 		base_mac=$(cat /sys/class/net/eth0/address)
 		ip link set dev eth0 address $(macaddr_add "$base_mac" 2)
 		ip link set dev eth1 address $(macaddr_add "$base_mac" 3)
+		;;
 	esac
 }