-/dev/fd0 /mnt/floppy auto user,noauto,exec 0 0
-/dev/external /mnt/external auto user,noauto,exec,rw,uid=grml,gid=grml 0 0
-/dev/external1 /mnt/external1 auto user,noauto,exec,rw,uid=grml,gid=grml 0 0
-/dev/cdrom /mnt/cdrom auto user,noauto,exec,ro 0 0
-/dev/dvd /mnt/dvd auto user,noauto,exec,ro 0 0
+/dev/external $MOUNTPOINT_PREFIX/external auto user,noauto,exec,rw,uid=grml,gid=grml 0 0
+/dev/external1 $MOUNTPOINT_PREFIX/external1 auto user,noauto,exec,rw,uid=grml,gid=grml 0 0
+/dev/cdrom $MOUNTPOINT_PREFIX/cdrom auto user,noauto,exec,ro 0 0
+/dev/dvd $MOUNTPOINT_PREFIX/dvd auto user,noauto,exec,ro 0 0