diff --git a/dev-ruby/activerecord/activerecord-4.2.8.ebuild b/dev-ruby/activerecord/activerecord-4.2.8.ebuild
index d5e40d1512ab5..9fea2cfc05db2 100644
--- a/dev-ruby/activerecord/activerecord-4.2.8.ebuild
+++ b/dev-ruby/activerecord/activerecord-4.2.8.ebuild
@@ -20,7 +20,7 @@ SRC_URI="https://github.com/rails/rails/archive/v${PV}.tar.gz -> rails-${PV}.tgz
 
 LICENSE="MIT"
 SLOT="$(get_version_component_range 1-2)"
-KEYWORDS="~amd64 ~arm ~ppc ~ppc64 ~x86 ~amd64-linux"
+KEYWORDS="~amd64 ~arm ~arm64 ~ppc ~ppc64 ~x86 ~amd64-linux"
 IUSE="mysql postgres sqlite"
 
 RUBY_S="rails-${PV}/${PN}"