diff --git a/setup.sh b/setup.sh
index 125ebd0..407fc5f 100644
--- a/setup.sh
+++ b/setup.sh
@@ -26,8 +26,13 @@ function set_ntp () {
     timedatectl set-ntp true
 }
 
-function update_pacman_db () {
+function resize_cow_space () {
     #1.2
+    mount -o remount,size='50%' /run/archiso/cowspace
+}
+
+function update_pacman_db () {
+    #1.3
     printf -- '%s\n' 'Refreshing mirror list ...'
     systemctl start reflector
     # In an ISO and for the minimal number of packages we need we do not
@@ -36,13 +41,13 @@ function update_pacman_db () {
 }
 
 function install_pkgs () {
-    #1.3
+    #1.4
     printf -- '%s\n' 'Installing packages ...'
     pacman -S --needed --noconfirm "${@}"
 }
 
 function prepare_zfsbootmenu_efi_bin_pkg () {
-    #1.4
+    #1.5
     # Our Arch Linux will use prebuilt ZFSBootMenu UEFI image files for ease
     # of use. We'd like to install them from within our chroot but the AUR
     # package 'zfsbootmenu-efi-bin' that we're using currently (Friday,
@@ -91,7 +96,7 @@ function prepare_zfsbootmenu_efi_bin_pkg () {
 }
 
 function install_zfs () {
-    #1.5
+    #1.6
     declare reset_colors='\033[0m'
     curl -s 'https://raw.githubusercontent.com/eoli3n/archiso-zfs/master/init' | bash
     printf -- "${reset_colors}"
@@ -262,7 +267,7 @@ function export_pool () {
 }
 
 function setup_zpool () {
-    #1.6
+    #1.7
     local drive_by_id
     zpool_drive="$(select_part 'zfs')"
     drive_by_id="$(get_drive_id "${zpool_drive}")"
@@ -282,7 +287,7 @@ function setup_zpool () {
 }
 
 function mount_system () {
-    #1.7
+    #1.8
     zfs mount "${zpool_name}"'/root/'"${zfs_arch_dataset_name}"
     zfs mount -a
 
@@ -295,7 +300,7 @@ function mount_system () {
 }
 
 function copy_zpool_cache () {
-    #1.8
+    #1.9
     mkdir -p '/mnt/etc/zfs'
     zpool set 'cachefile=/etc/zfs/'"${zpool_name}"'.cache' "${zpool_name}"
 }
@@ -322,7 +327,7 @@ function pacman_dont_check_space () {
 }
 
 function install_archlinux () {
-    #1.9
+    #1.10
     pacman_dl_parallel
     pacman_dont_check_space
     pacstrap /mnt              \
@@ -349,7 +354,7 @@ function install_archlinux () {
 }
 
 function gen_fstab () {
-    #1.10
+    #1.11
     genfstab -U /mnt | grep -v "${zpool_name}" | tr -s '\n' | sed -r -e 's/\/mnt//' -e '/./,$!d' > '/mnt/etc/fstab'
 }
 
@@ -362,7 +367,7 @@ EOF
 }
 
 function set_hostname () {
-    #1.11
+    #1.12
     declare new_hostname
     install_pkgs 'pwgen'
     new_hostname="$(pwgen --no-numerals --no-capitalize --ambiguous 8)"
@@ -371,7 +376,7 @@ function set_hostname () {
 }
 
 function set_locale () {
-    #1.12
+    #1.13
     printf -- '%s\n' \
         'KEYMAP=de-latin1' \
         'FONT=Lat2-Terminus16' \
@@ -382,7 +387,7 @@ function set_locale () {
 }
 
 function add_zfs_hook_to_initramfs () {
-    #1.13
+    #1.14
     # Add zfs hook, remove fsck hook from initramfs.
     sed -ri \
         -e 's'$'\x1''(HOOKS=)(.*?[\(| ])(filesystems)([\)| ][^\r\n\f]*)'$'\x1''\1\2zfs \3\4'$'\x1''g' \
@@ -397,7 +402,7 @@ function add_zfs_hook_to_initramfs () {
 }
 
 function set_initramfs_build_list () {
-    #1.14
+    #1.15
     # No need to build fallback initramfs, our new fallback is ZFS snapshots
     sed -ri \
         -e '/^#/d' \
@@ -411,7 +416,7 @@ function set_initramfs_build_list () {
 }
 
 function add_zfs_files_to_new_os () {
-    #1.15
+    #1.16
     for zfs_file in '/etc/hostid' '/etc/zfs/zpool.cache' $([[ ! "${ARCHZBM_ZFSPROPS_NO_ENCRYPTION}" ]] && printf -- '%s' '/etc/zfs/'"${zpool_name}"'.key'); do
         rsync -av --itemize-changes {'','/mnt'}"${zfs_file}"
     done
@@ -750,20 +755,21 @@ function main () {
         install_os_in_chroot                    #2.2
     else
         set_ntp                                 #1.1
-        update_pacman_db                        #1.2
-        install_pkgs 'base-devel' 'git' 'jq'    #1.3
-        prepare_zfsbootmenu_efi_bin_pkg         #1.4
-        install_zfs                             #1.5
-        setup_zpool                             #1.6
-        mount_system                            #1.7
-        copy_zpool_cache                        #1.8
-        install_archlinux                       #1.9
-        gen_fstab                               #1.10
-        set_hostname                            #1.11
-        set_locale                              #1.12
-        add_zfs_hook_to_initramfs               #1.13
-        set_initramfs_build_list                #1.14
-        add_zfs_files_to_new_os                 #1.15
+        resize_cow_space                        #1.2
+        update_pacman_db                        #1.3
+        install_pkgs 'base-devel' 'git' 'jq'    #1.4
+        prepare_zfsbootmenu_efi_bin_pkg         #1.5
+        install_zfs                             #1.6
+        setup_zpool                             #1.7
+        mount_system                            #1.8
+        copy_zpool_cache                        #1.9
+        install_archlinux                       #1.10
+        gen_fstab                               #1.11
+        set_hostname                            #1.12
+        set_locale                              #1.13
+        add_zfs_hook_to_initramfs               #1.14
+        set_initramfs_build_list                #1.15
+        add_zfs_files_to_new_os                 #1.16
         enter_chroot                            #2.1
         # We're done in chroot
         finalize_os_setup                       #3.1