diff --git a/make.iso.preseed.sh b/make.iso.preseed.sh
index 928ce76..156cb97 100755
--- a/make.iso.preseed.sh
+++ b/make.iso.preseed.sh
@@ -16,6 +16,7 @@ DEBIAN_ISO_MINI_URL="http://ftp.nl.debian.org/debian/dists/${DEBIAN_VERSION_NAME
 TEMP_DIR_ISO=$(mktemp -d -t debian-iso-XXXXXX.tmp)
 
 DEBIAN_DL_ISO_PATH="${TEMP_DIR_ISO}/debian.iso"
+DEBIAN_PRESEED_ISO_PATH="$(dirname ${TEMP_DIR_ISO})/preseed-debian-${DEBIAN_VERSION_NB}-amd64.iso"
 
 # }}}
 
@@ -32,6 +33,10 @@ if [ ! $(command -v gzip) ]; then
 	printf '%b\n' "ERROR : Please install 'gzip' bin :\\nsudo apt install gzip"
 	exit 1
 fi
+if [ ! $(command -v genisoimage) ]; then
+	printf '%b\n' "ERROR : Please install 'genisoimage' bin :\\nsudo apt install genisoimage"
+	exit 1
+fi
 # }}}
 
 # Test vars {{{
@@ -100,7 +105,9 @@ find . -follow -type f -not \( -name "md5sum.txt" -o -name 'mkisofs' -o -name 'B
 cd - || exit 2
 # }}}
 # Generate new bootable iso {{{
-
+genisoimage -r -J -b isolinux/isolinux.bin -c isolinux/boot.cat \
+-quiet -no-emul-boot -boot-load-size 4 -boot-info-table \
+-o "${DEBIAN_PRESEED_ISO_PATH}" "${TEMP_DIR_ISO}"
 # }}}
 
 # If extract image