diff --git a/ceph/ceph.backup.deb.files.sh b/ceph/ceph.backup.deb.files.sh
index ca9ee55..e1b1c14 100755
--- a/ceph/ceph.backup.deb.files.sh
+++ b/ceph/ceph.backup.deb.files.sh
@@ -34,11 +34,12 @@ if [ "$(command -v ceph)" ]; then
 		cd -- "${CEPH_DEB_PKG_DIR}" > /dev/null || exit 2
 
 		## Download deb files of all ceph related packages installed on the system
-		[ "${DEBUG}" -eq "0" ] && printf '%b\n' "Download deb files of all ceph related packages installed on the system."
 		## Use aptitude before Debian Stretch because apt doesn't yet know "download" action
-		if [ "$(cat /etc/debian_version | cut -c1)" -lt "9" ]; then
+		if [ "$(cat /etc/debian_version | cut -d"." -f1)" -lt "9" ]; then
+			[ "${DEBUG}" -eq "0" ] && printf '%b\n' "Download (with aptitude) deb files of all ceph related packages installed on the system."
 			aptitude download -- $(dpkg -l | awk -v pattern="${CEPH_DEB_PKG_PATTERN}" '$0~pattern {print $2"="$3}') || exit 3
 		else
+			[ "${DEBUG}" -eq "0" ] && printf '%b\n' "Download (with apt) deb files of all ceph related packages installed on the system."
 			apt download -- $(dpkg -l | awk -v pattern="${CEPH_DEB_PKG_PATTERN}" '$0~pattern {print $2"="$3}') || exit 3
 		fi