diff --git a/dev-R/bit64/bit64-4.0.5.ebuild b/dev-R/bit64/bit64-4.0.5.ebuild
index d4377da9ce..1770938c78 100644
--- a/dev-R/bit64/bit64-4.0.5.ebuild
+++ b/dev-R/bit64/bit64-4.0.5.ebuild
@@ -7,7 +7,7 @@ inherit R-packages
 
 DESCRIPTION='A S3 Class for Vectors of 64bit Integers'
 KEYWORDS="~amd64"
-LICENSE='GPL2 GPL3'
+LICENSE='GPL-2 GPL-3'
 DEPEND="
 	>=dev-R/bit-4.0.0
 "