diff --git a/assemble_image.sh b/assemble_image.sh
index 836ae77d63e13b94d113039f5e8e984ad31e06b1..649fa48918240bf4ba7947b78e04e942ecf267ab 100755
--- a/assemble_image.sh
+++ b/assemble_image.sh
@@ -34,6 +34,7 @@ fill_grub_config_template "$xubuntu" "XFCE" "$workspace/part_files/boot/grub/gru
 
 ./create_offlinerepo.sh "$workspace/part_files/archives" "$kubuntu" $(grep '^[^#]' packages | cut -d'|' -f 2)
 cp packages "$workspace/part_files/packages"
+echo "ubiquity ubiquity/keep-installed string $(grep '^[^#]' packages | cut -d'|' -f 2 | tr '\n' ' ')" >> "$workspace/part_files/preseed/lip.seed"
 
 rm -f "$workspace/part.img"
 truncate -s "$image_size" "$workspace/part.img"
@@ -44,3 +45,4 @@ dd if=/usr/lib/grub/i386-pc/boot.img of="$workspace/output.img" bs=446 count=1
 dd if="$workspace/grub.i386-pc.img" of="$workspace/output.img" bs=512 seek=1
 ddrescue --output-position=2048s --sparse "$workspace/part.img" "$workspace/output.img"
 printf "label: dos\nunit: sectors\n2048,+,b,*\n" | sfdisk "$workspace/output.img"
+echo "Used $(du -h "$workspace/part_files") of ${image_size}"