diff --git a/config/backup/backup.pl b/config/backup/backup.pl
index a2337cf23..2e9c0c573 100644
--- a/config/backup/backup.pl
+++ b/config/backup/backup.pl
@@ -19,6 +19,8 @@
 #                                                                             #
 ###############################################################################
 
+shopt -s nullglob
+
 NOW="$(date "+%Y-%m-%d-%H:%M")"
 
 list_addons() {
@@ -34,12 +36,14 @@ list_addons() {
 
 process_includes() {
 	local include
-
 	for include in $@; do
+		# Skip any empty line (which will include /)
+		[ -n "${include}" ] || continue
+
 		local file
 		while read -r file; do
-			for file in ${file}; do
-				if [ -e "/${file}" ]; then
+			for file in /${file}; do
+				if [ -e "${file}" ]; then
 					echo "${file}"
 				fi
 			done
diff --git a/config/rootfiles/oldcore/165/filelists/aarch64/u-boot b/config/rootfiles/oldcore/165/filelists/aarch64/u-boot
new file mode 120000
index 000000000..2a16bdbfe
--- /dev/null
+++ b/config/rootfiles/oldcore/165/filelists/aarch64/u-boot
@@ -0,0 +1 @@
+../../../../common/aarch64/u-boot
\ No newline at end of file
diff --git a/config/rootfiles/oldcore/165/filelists/core-files b/config/rootfiles/oldcore/165/filelists/core-files
new file mode 100644
index 000000000..0dec37e53
--- /dev/null
+++ b/config/rootfiles/oldcore/165/filelists/core-files
@@ -0,0 +1,5 @@
+etc/system-release
+etc/issue
+etc/os-release
+srv/web/ipfire/cgi-bin/credits.cgi
+var/ipfire/langs
diff --git a/config/rootfiles/oldcore/165/filelists/files b/config/rootfiles/oldcore/165/filelists/files
index d03e3f529..962a94e11 100644
--- a/config/rootfiles/oldcore/165/filelists/files
+++ b/config/rootfiles/oldcore/165/filelists/files
@@ -16,6 +16,7 @@ srv/web/ipfire/cgi-bin/wirelessclient.cgi
 srv/web/ipfire/html/themes/ipfire/include/css/style.css
 usr/lib/firewall/firewall-lib.pl
 usr/lib/firewall/rules.pl
+usr/local/bin/update-ids-ruleset
 usr/local/bin/update-location-database
 usr/sbin/setup
 var/ipfire/ids-functions.pl
diff --git a/config/rootfiles/oldcore/165/update.sh b/config/rootfiles/oldcore/165/update.sh
index f505628e4..ffb552c80 100644
--- a/config/rootfiles/oldcore/165/update.sh
+++ b/config/rootfiles/oldcore/165/update.sh
@@ -129,6 +129,14 @@ ldconfig
 telinit u
 /etc/rc.d/init.d/firewall restart
 
+# Fix ownership of classification file.
+chown nobody:nobody /usr/share/suricata/classification.config
+
+# Rebuild IPS rules
+rm -vf /tmp/ids_page_locked
+perl -e "require '/var/ipfire/ids-functions.pl'; &IDS::oinkmaster();"
+/etc/init.d/suricata reload
+
 # This update needs a reboot...
 touch /var/run/need_reboot