diff --git a/scripts/make_debian_initrd_with_firmware.sh b/scripts/make_debian_initrd_with_firmware.sh
index 7793fcc..31a2fd5 100755
--- a/scripts/make_debian_initrd_with_firmware.sh
+++ b/scripts/make_debian_initrd_with_firmware.sh
@@ -56,12 +56,12 @@ for DISTRO in stretch buster jessie wheezy sid; do  # For ALL Debian's version
 	# Make a new initrd
 	mv initrd.gz initrd_orig.gz
 	pushd "${TEMP_DIR}"/mkinitrd/ > /dev/null
-	find . -print0 | cpio -0 -H newc -ov | gzip -c > ../initrd.gz
+	find . | cpio --quiet -o -H newc | xz -c -9 --check=crc32 >  ../initrd.xz
 	popd > /dev/null
 
 	# Move it to PXE Debian installer
 	mkdir -p ${TFTP_DIRECTORY}/installer/debian/${DISTRO}/amd64/
-	mv initrd.gz ${TFTP_DIRECTORY}/installer/debian/${DISTRO}/amd64/initrd_firm.gz
+	mv initrd.xz ${TFTP_DIRECTORY}/installer/debian/${DISTRO}/amd64/initrd_firm.xz
 
 	popd > /dev/null