diff --git a/target/linux/package/openwrt/files/ar7/etc/network.overrides b/target/linux/package/openwrt/files/ar7/etc/network.overrides
index 9c0e81405..76c3da368 100644
--- a/target/linux/package/openwrt/files/ar7/etc/network.overrides
+++ b/target/linux/package/openwrt/files/ar7/etc/network.overrides
@@ -12,6 +12,7 @@ DEFAULT_lan_ifnames="eth0"
 DEFAULT_lan_ipaddr=${BR2_SYSCONF_FAILSAFE_IP:-"192.168.1.1"}
 DEFAULT_lan_netmask=${BR2_SYSCONF_FAILSAFE_NETMASK:-"255.255.255.0"}
 DEFAULT_lan_hwaddr=$(strings /dev/mtdblock/3 | grep -A1 maca | grep :)
+DEFAULT_lan_hwaddr=${DEFAULT_lan_hwaddr%% *}
 DEFAULT_lan_hwaddr=${DEFAULT_lan_hwaddr:-${BR2_SYSCONF_FAILSAFE_MAC:-"00:0B:AD:0A:DD:00"}}
 
 # failsafe if reset is held