diff --git a/dev-ruby/ruby-shadow/ruby-shadow-2.5.0.ebuild b/dev-ruby/ruby-shadow/ruby-shadow-2.5.0.ebuild
index ee68fe455ffb9..3102b14b92788 100644
--- a/dev-ruby/ruby-shadow/ruby-shadow-2.5.0.ebuild
+++ b/dev-ruby/ruby-shadow/ruby-shadow-2.5.0.ebuild
@@ -16,7 +16,7 @@ HOMEPAGE="https://github.com/apalmblad/ruby-shadow http://ttsky.net"
 
 LICENSE="Ruby"
 SLOT="0"
-KEYWORDS="amd64 ~arm hppa ppc ~sparc x86"
+KEYWORDS="amd64 ~arm hppa ppc ~ppc64 ~sparc x86"
 IUSE=""
 
 each_ruby_configure() {