diff --git a/debian/chroot.install b/debian/chroot.install
index 44a0ee5..187f7a0 100755
--- a/debian/chroot.install
+++ b/debian/chroot.install
@@ -68,7 +68,7 @@ if [ "${manage_part}" -eq 0 ]; then
 	parted "${hdd}" mkpart primary 512MB 100% || exit 1
 	parted "${hdd}" set 2 lvm on
 	if [ "${manage_luks}" -eq 0 ]; then
-		rm -f -- "${luks_key_file}" && printf '%b\n' "${luks_passphrase}" > "${luks_key_file}"
+		rm -f -- "${luks_key_file}" && printf '%b' "${luks_passphrase}" > "${luks_key_file}"
 		cryptsetup -c aes-xts-plain -s 512 --use-random -y luksFormat "${hdd}"2 "${luks_passphrase}" --key-file "${luks_key_file}" || exit 2
 		cryptsetup luksOpen "${hdd}"2 "${luks_pv_name}" --key-file "${luks_key_file}" || exit 2
 		pvcreate /dev/mapper/"${luks_pv_name}" || exit 3
diff --git a/debian/chroot.mount b/debian/chroot.mount
index 8a9a5f3..74bb0be 100755
--- a/debian/chroot.mount
+++ b/debian/chroot.mount
@@ -34,7 +34,7 @@ fi
 ## Open LUKS system {{{
 if [ "${manage_luks}" -eq 0 ]; then
 	### Put passphrase in a keyfile for multiple usage
-	rm -f -- "${luks_key_file}" && printf '%b\n' "${luks_passphrase}" > "${luks_key_file}"
+	rm -f -- "${luks_key_file}" && printf '%b' "${luks_passphrase}" > "${luks_key_file}"
 	### If the volume is not already opened
 	if [ ! -h /dev/mapper/"${luks_pv_name}" ]; then
 		### Open LUKS system