diff --git a/debian-live-config/README.md b/debian-live-config/README.md
index 22dc423b..ab4c8361 100644
--- a/debian-live-config/README.md
+++ b/debian-live-config/README.md
@@ -4,8 +4,6 @@ This directory exists to facilitate the creation of WROLPi Debian images.
 
 ## Generate Debian 12 ISO
 
-**WARNING** This is a work-in-progress and does not yet work.
-
 1. Convert a map PBF file to your initial map DB dump:
     * `docker run --rm -v /home/user/district-of-columbia-230111.osm.pbf:/data/region.osm.pbf lrnselfreliance/osm-map-dumper | gzip > debian-live-config/config/includes.chroot/opt/wrolpi-blobs/gis-map.dump.gz`
 2. Run the build.
diff --git a/debian-live-config/config/hooks/normal/9999-wrolpi.hook.chroot b/debian-live-config/config/hooks/normal/9999-wrolpi.hook.chroot
index 6822786c..a830409a 100644
--- a/debian-live-config/config/hooks/normal/9999-wrolpi.hook.chroot
+++ b/debian-live-config/config/hooks/normal/9999-wrolpi.hook.chroot
@@ -43,6 +43,9 @@ if [[ ! -f /opt/openstreetmap-carto/mapnik.xml || ! -s /opt/openstreetmap-carto/
   (cd /opt/openstreetmap-carto && carto project.mml >/opt/openstreetmap-carto/mapnik.xml)
 fi
 
+# Change default postgresql port to 5432.
+sed -i 's/port = 5433/port = 5432/' /etc/postgresql/13/main/postgresql.conf
+
 mkdir /media/wrolpi
 
 cp /opt/wrolpi/etc/raspberrypios/wrolpi-api.service /etc/systemd/system/
diff --git a/debian-live-config/config/preseed/wrolpi.cfg.chroot b/debian-live-config/config/preseed/wrolpi.cfg.chroot
new file mode 100644
index 00000000..2691ca1e
--- /dev/null
+++ b/debian-live-config/config/preseed/wrolpi.cfg.chroot
@@ -0,0 +1 @@
+d-i netcfg/get_hostname string wrolpi
\ No newline at end of file