diff --git a/files/initrd/opt/arc/arc-functions.sh b/files/initrd/opt/arc/arc-functions.sh
index 513df079..9b9dc6b6 100755
--- a/files/initrd/opt/arc/arc-functions.sh
+++ b/files/initrd/opt/arc/arc-functions.sh
@@ -72,6 +72,14 @@ function addonSelection() {
     writeConfigKey "addons.\"${ADDON}\"" "" "${USER_CONFIG_FILE}"
   done
   ADDONSINFO="$(readConfigEntriesArray "addons" "${USER_CONFIG_FILE}")"
+  if readConfigMap "addons" "${USER_CONFIG_FILE}" | grep -q "sortnetif"; then
+    MACLIST=""
+    for ETH in ${ETHX}; do
+      MAC="$(cat /sys/class/net/${ETH}/address | sed 's/://g' | tr '[:lower:]' '[:upper:]')"
+      MACLIST="${MACLIST} ${MAC}"
+    done
+    writeConfigKey "addons.sortnetif" "${MACLIST// /,}" "${USER_CONFIG_FILE}"  
+  fi
   dialog --backtitle "$(backtitle)" --title "DSM Addons" \
     --msgbox "DSM Addons selected:\n${ADDONSINFO}" 7 70
 }