diff --git a/sys-cluster/usort/Manifest b/sys-cluster/usort/Manifest
index 71cc02443d..7b691dce47 100644
--- a/sys-cluster/usort/Manifest
+++ b/sys-cluster/usort/Manifest
@@ -1 +1 @@
-DIST usort-0_pre20211230.tar.gz 36255 BLAKE2B 1137c96141c3bdd26cdddb650224ae276e88eac2f8190210ba9673030f7867f110411040ba4415821fef9b85f1af737f3e880ab15ded164fe3cd8135fcf9d725 SHA512 82474b33e0c74d6ce78a4e34bbbbb0e666646a708bbd56b298e3ae054c0c9682bfe6ea126f4f88c7047ad34eb1bc8aec6936f5cfb867dd5b3254052361b397ea
+DIST usort-0_pre20211230-r1.tar.gz 36255 BLAKE2B 1137c96141c3bdd26cdddb650224ae276e88eac2f8190210ba9673030f7867f110411040ba4415821fef9b85f1af737f3e880ab15ded164fe3cd8135fcf9d725 SHA512 82474b33e0c74d6ce78a4e34bbbbb0e666646a708bbd56b298e3ae054c0c9682bfe6ea126f4f88c7047ad34eb1bc8aec6936f5cfb867dd5b3254052361b397ea
diff --git a/sys-cluster/usort/usort-0_pre20211230.ebuild b/sys-cluster/usort/usort-0_pre20211230-r1.ebuild
similarity index 98%
rename from sys-cluster/usort/usort-0_pre20211230.ebuild
rename to sys-cluster/usort/usort-0_pre20211230-r1.ebuild
index 31b9b5e796..6c69114f10 100644
--- a/sys-cluster/usort/usort-0_pre20211230.ebuild
+++ b/sys-cluster/usort/usort-0_pre20211230-r1.ebuild
@@ -15,7 +15,7 @@ S="${WORKDIR}/${PN}-${COMMIT}"
 KEYWORDS="~amd64"
 LICENSE='MIT'
 IUSE=""
-SLOT="0"
+SLOT="0/${PV}"
 
 DEPEND="virtual/mpi"
 RDEPEND="${DEPEND}"