-sed -i -e "s#${ROOT_GUEST}#${ROOT_UUID}#" ${prefix}/etc/fstab
-sed -i -e "s#${SWAP_GUEST}#${SWAP_UUID}#" ${prefix}/etc/fstab
+sed -i -e "s#${ROOT_GUEST}#UUID=${ROOT_UUID}#" ${prefix}/etc/fstab
+sed -i -e "s#${SWAP_GUEST}#UUID=${SWAP_UUID}#" ${prefix}/etc/fstab