--- /dev/null
+#!/bin/sh
+
+# luci updates are not in sync with ddns-script updates !!!
+# needed because luci update might delete helper script
+# copy dynamic_dns_helper.tmp.sh from ddns-scripts
+cp -f /usr/lib/ddns/dynamic_dns_lucihelper.tmp.sh /usr/lib/ddns/dynamic_dns_lucihelper.sh
+
+# no longer needed for "Save and Apply" to restart ddns
+uci -q batch <<-EOF >/dev/null
+ delete ucitrack.@ddns[-1]
+ commit ucitrack
+EOF
+
+# make helper script executable
+chmod 755 /usr/lib/ddns/dynamic_dns_lucihelper.sh
+
+# update application section for luci-app-ddns
+uci -q get ddns.global > /dev/null || uci -q set ddns.global='ddns'
+uci -q get ddns.global.date_format > /dev/null || uci -q set ddns.global.date_format='%F %R'
+uci -q get ddns.global.log_lines > /dev/null || uci -q set ddns.global.log_lines='250'
+uci -q commit ddns
+
+rm -f /tmp/luci-indexcache
+exit 0