diff -ur 06/bootstrap-prefix.sh 07/bootstrap-prefix.sh
--- 06/bootstrap-prefix.sh	2020-10-27 02:07:10.414897352 +0300
+++ 07/bootstrap-prefix.sh	2020-10-27 07:12:24.651304124 +0300
@@ -708,8 +708,8 @@
 	# in Prefix the sed wrapper is deadly, so kill it
 	rm -f "${ROOT}"/tmp/usr/lib/portage/bin/ebuild-helpers/sed
 
-	local tmpportdir=${ROOT}/tmp/${PORTDIR#${ROOT}}
-	[[ -e "${tmpportdir}" ]] || ln -s "${PORTDIR}" "${tmpportdir}"
+	local tmpportdir=${ROOT}/tmp/${PORTDIR#${ROOT}/}
+	[[ -e "${tmpportdir}" ]] || mkdir -p "${tmpportdir}" && rmdir "${tmpportdir}" && ln -s "${PORTDIR}" "${tmpportdir}"
 	for d in "${ROOT}"/tmp/usr/lib/python?.?; do
 		[[ -e ${d}/portage ]] || ln -s "${ROOT}"/tmp/usr/lib/portage/lib/portage ${d}/portage
 		[[ -e ${d}/_emerge ]] || ln -s "${ROOT}"/tmp/usr/lib/portage/lib/_emerge ${d}/_emerge