diff --git a/dev-R/codetools/codetools-0.2.18.ebuild b/dev-R/codetools/codetools-0.2.18.ebuild
index ac0e5c8d9a..3d3f0db671 100644
--- a/dev-R/codetools/codetools-0.2.18.ebuild
+++ b/dev-R/codetools/codetools-0.2.18.ebuild
@@ -10,7 +10,7 @@ KEYWORDS="~amd64"
 LICENSE='GPL-2+'
 RESTRICT="!test? ( test )"
 IUSE="test"
-CRAN_PV="0.2-18"
+CRAN_PV="$(ver_rs 2 -)"
 
 SRC_URI="mirror://cran/src/contrib/${PN}_${CRAN_PV}.tar.gz"