diff --git a/coverage.sh b/coverage.sh
index ad35545..d974729 100755
--- a/coverage.sh
+++ b/coverage.sh
@@ -52,7 +52,7 @@ if [ ! -e shared/mmdebstrap ] || [ mmdebstrap -nt shared/mmdebstrap ]; then
 fi
 
 starttime=
-total=105
+total=106
 i=1
 
 print_header() {
@@ -1480,6 +1480,63 @@ else
 	./run_null.sh
 fi
 
+print_header "mode=chrootless,variant=custom: install doc-debian and test hooks"
+cat << END > shared/test.sh
+#!/bin/sh
+set -eu
+export LC_ALL=C.UTF-8
+export SOURCE_DATE_EPOCH=$SOURCE_DATE_EPOCH
+[ "\$(id -u)" -eq 0 ] && ! id -u user > /dev/null 2>&1 && adduser --gecos user --disabled-password user
+prefix=
+[ "\$(id -u)" -eq 0 ] && prefix="runuser -u user --"
+\$prefix $CMD --mode=chrootless --variant=custom --include=doc-debian --setup-hook='touch "\$1/setup"' --customize-hook='touch "\$1/customize"' $DEFAULT_DIST /tmp/debian-chroot $mirror
+rm /tmp/debian-chroot/setup
+rm /tmp/debian-chroot/customize
+chmod 700 /tmp/debian-chroot
+tar -C /tmp/debian-chroot --owner=0 --group=0 --numeric-owner --sort=name --clamp-mtime --mtime=$(date --utc --date=@$SOURCE_DATE_EPOCH --iso-8601=seconds) -cf /tmp/debian-chroot.tar .
+tar tvf /tmp/debian-chroot.tar | grep -v ' ./dev' | diff -u doc-debian.tar.list -
+rm /tmp/debian-chroot.tar
+# delete contents of doc-debian
+rm /tmp/debian-chroot/usr/share/doc-base/debian-*
+rm -r /tmp/debian-chroot/usr/share/doc/debian
+rm -r /tmp/debian-chroot/usr/share/doc/doc-debian
+# delete real files
+rm /tmp/debian-chroot/etc/apt/sources.list
+rm /tmp/debian-chroot/etc/fstab
+rm /tmp/debian-chroot/etc/hostname
+rm /tmp/debian-chroot/etc/resolv.conf
+rm /tmp/debian-chroot/var/lib/dpkg/status
+rm /tmp/debian-chroot/var/lib/dpkg/available
+rm /tmp/debian-chroot/var/cache/apt/archives/lock
+rm /tmp/debian-chroot/var/lib/dpkg/lock
+rm /tmp/debian-chroot/var/lib/dpkg/lock-frontend
+rm /tmp/debian-chroot/var/lib/dpkg/cmethopt
+rm /tmp/debian-chroot/var/lib/apt/lists/lock
+rm /tmp/debian-chroot/var/lib/apt/extended_states
+## delete merged usr symlinks
+#rm /tmp/debian-chroot/libx32
+#rm /tmp/debian-chroot/lib64
+#rm /tmp/debian-chroot/lib32
+#rm /tmp/debian-chroot/sbin
+#rm /tmp/debian-chroot/bin
+#rm /tmp/debian-chroot/lib
+# in chrootless mode, there is more to remove
+rm /tmp/debian-chroot/var/log/apt/eipp.log.xz
+rm /tmp/debian-chroot/var/lib/dpkg/triggers/Lock
+rm /tmp/debian-chroot/var/lib/dpkg/triggers/Unincorp
+rm /tmp/debian-chroot/var/lib/dpkg/status-old
+rm /tmp/debian-chroot/var/lib/dpkg/info/format
+rm /tmp/debian-chroot/var/lib/dpkg/info/doc-debian.md5sums
+rm /tmp/debian-chroot/var/lib/dpkg/info/doc-debian.list
+# the rest should be empty directories that we can rmdir recursively
+find /tmp/debian-chroot -depth -print0 | xargs -0 rmdir
+END
+if [ "$HAVE_QEMU" = "yes" ]; then
+	./run_qemu.sh
+else
+	./run_null.sh
+fi
+
 print_header "mode=chrootless,variant=custom: install libmagic-mgc on armhf"
 cat << END > shared/test.sh
 #!/bin/sh
diff --git a/mmdebstrap b/mmdebstrap
index 05ffa99..61f546f 100755
--- a/mmdebstrap
+++ b/mmdebstrap
@@ -792,7 +792,7 @@ sub run_chroot(&$) {
 		    error "unsupported type: $type";
 		}
 	    }
-	} elsif (any { $_ eq $options->{mode} } ('proot', 'fakechroot')) {
+	} elsif (any { $_ eq $options->{mode} } ('proot', 'fakechroot', 'chrootless')) {
 	    # we cannot mount in fakechroot and proot mode
 	    # in proot mode we have /dev bind-mounted already through --bind=/dev
 	} else {
@@ -823,7 +823,7 @@ sub run_chroot(&$) {
 	    # we have to rbind because just using bind results in "wrong fs
 	    # type, bad option, bad superblock" error
 	    0 == system('mount', '-o', 'rbind', '/sys', "$options->{root}/sys") or error "mount /sys failed: $?";
-	} elsif (any { $_ eq $options->{mode} } ('proot', 'fakechroot')) {
+	} elsif (any { $_ eq $options->{mode} } ('proot', 'fakechroot', 'chrootless')) {
 	    # we cannot mount in fakechroot and proot mode
 	    # in proot mode we have /proc bind-mounted already through --bind=/proc
 	} else {
@@ -845,7 +845,7 @@ sub run_chroot(&$) {
 		0 == system('umount', '--no-mtab', "$options->{root}/proc") or error "umount /proc failed: $?";
 	    };
 	    0 == system('mount', '-t', 'proc', 'proc', "$options->{root}/proc") or error "mount /proc failed: $?";
-	} elsif (any { $_ eq $options->{mode} } ('proot', 'fakechroot')) {
+	} elsif (any { $_ eq $options->{mode} } ('proot', 'fakechroot', 'chrootless')) {
 	    # we cannot mount in fakechroot and proot mode
 	    # in proot mode we have /sys bind-mounted already through --bind=/sys
 	} else {