diff --git a/target/linux/ath79/base-files/etc/hotplug.d/ieee80211/10_fix_wifi_mac b/target/linux/ath79/base-files/etc/hotplug.d/ieee80211/10_fix_wifi_mac
index 3e1cfda84d..2e2179aee3 100644
--- a/target/linux/ath79/base-files/etc/hotplug.d/ieee80211/10_fix_wifi_mac
+++ b/target/linux/ath79/base-files/etc/hotplug.d/ieee80211/10_fix_wifi_mac
@@ -35,14 +35,13 @@ case "$board" in
 			k2t_get_mac "lan_mac" > /sys${DEVPATH}/macaddress
 		;;
 	trendnet,tew-823dru)
-	        # set the 2.4G interface mac address to LAN MAC
-	        [ "$PHYNBR" -eq 1 ] && \
-		        mtd_get_mac_text mac 4 > /sys${DEVPATH}/macaddress
-	        # set the 5G interface mac address to WAN MAC + 1
-	        [ "$PHYNBR" -eq 0 ] && \
-		        macaddr_add "$(mtd_get_mac_text mac 0x18)" 1 > /sys${DEVPATH}/macaddress
-                ;;
+		# set the 2.4G interface mac address to LAN MAC
+		[ "$PHYNBR" -eq 1 ] && \
+			mtd_get_mac_text mac 4 > /sys${DEVPATH}/macaddress
+		# set the 5G interface mac address to WAN MAC + 1
+		[ "$PHYNBR" -eq 0 ] && \
+			macaddr_add "$(mtd_get_mac_text mac 0x18)" 1 > /sys${DEVPATH}/macaddress
+		;;
 	*)
 		;;
 esac
-