diff --git a/dev-ruby/rdiscount/rdiscount-2.1.8.ebuild b/dev-ruby/rdiscount/rdiscount-2.1.8.ebuild
index e2810d0534f99..bed25e1433b79 100644
--- a/dev-ruby/rdiscount/rdiscount-2.1.8.ebuild
+++ b/dev-ruby/rdiscount/rdiscount-2.1.8.ebuild
@@ -18,7 +18,7 @@ HOMEPAGE="https://github.com/rtomayko/rdiscount"
 
 LICENSE="MIT"
 SLOT="0"
-KEYWORDS="alpha amd64 arm hppa ia64 ppc ppc64 sparc x86 ~x86-fbsd"
+KEYWORDS="alpha amd64 arm hppa ia64 ppc ppc64 sparc x86 ~x86-fbsd ~x64-macos"
 IUSE=""
 
 all_ruby_prepare() {
diff --git a/dev-ruby/rdiscount/rdiscount-2.2.0.1.ebuild b/dev-ruby/rdiscount/rdiscount-2.2.0.1.ebuild
index bf039ba2f02cd..3223326777aa2 100644
--- a/dev-ruby/rdiscount/rdiscount-2.2.0.1.ebuild
+++ b/dev-ruby/rdiscount/rdiscount-2.2.0.1.ebuild
@@ -18,7 +18,7 @@ HOMEPAGE="https://github.com/rtomayko/rdiscount"
 
 LICENSE="MIT"
 SLOT="0"
-KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~ppc ~ppc64 ~sparc ~x86 ~x86-fbsd"
+KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~ppc ~ppc64 ~sparc ~x86 ~x86-fbsd ~x64-macos"
 IUSE=""
 
 all_ruby_prepare() {