diff --git a/dev-R/BH/BH-1.78.0.0.ebuild b/dev-R/BH/BH-1.78.0.0-r1.ebuild
similarity index 97%
rename from dev-R/BH/BH-1.78.0.0.ebuild
rename to dev-R/BH/BH-1.78.0.0-r1.ebuild
index b4fceef8b7..1fbfecb038 100644
--- a/dev-R/BH/BH-1.78.0.0.ebuild
+++ b/dev-R/BH/BH-1.78.0.0-r1.ebuild
@@ -14,6 +14,7 @@ HOMEPAGE="
 "
 SRC_URI="mirror://cran/src/contrib/${MY_P}.tar.gz"
 
+SLOT="0/${PV}"
 LICENSE='Boost-1.0'
 KEYWORDS="~amd64"