diff --git a/restic-auto/docker-entrypoint.sh b/restic-auto/docker-entrypoint.sh
index 06febe8..54aac7d 100755
--- a/restic-auto/docker-entrypoint.sh
+++ b/restic-auto/docker-entrypoint.sh
@@ -30,6 +30,30 @@ if [ -d /crontabs ] ; then
 	for f in /crontabs/* ; do
 		crontab -u $(basename $f) $f
 	done
+else
+	echo "# This crontab is generated by the entrypoint script, do not edit" > /tmp/crontab
+	if [[ "$BACKUP_CRONTAB" ]] ; then
+		echo -n "$BACKUP_CRONTAB" >> /tmp/crontab
+	else
+		echo -n "0 4 * * *" >> /tmp/crontab
+	fi
+		echo -n " restic-auto >> /var/log/cron.log" >> /tmp/crontab
+	if [[ "$POST_BACKUP_COMMAND" ]] ; then
+		echo -n " && $POST_BACKUP_COMMAND" >> /tmp/crontab
+	fi
+	echo " " >> /tmp/crontab
+	if [[ "$MAINTENANCE_CRONTAB" ]] ; then
+		echo -n "$MAINTENANCE_CRONTAB" >> /tmp/crontab
+	else
+		echo -n "0 1 * * 0" >> /tmp/crontab
+	fi
+	echo -n " restic forget --keep-daily 7 --keep-weekly 4 --keep-monthly 12 --keep-yearly 2 --prune >> /var/log/cron.log && restic check >> /var/log/cron.log" >> /tmp/crontab
+	if [[ "$POST_MAINTENANCE_COMMAND" ]] ; then
+		echo -n " && $POST_MAINTENANCE_COMMAND" >> /tmp/crontab
+	fi
+	echo " " >> /tmp/crontab
+
+	crontab -u root /tmp/crontab
 fi
 
 "$@"