diff --git a/x11-wm/mutter/mutter-3.16.4.ebuild b/x11-wm/mutter/mutter-3.16.4.ebuild
index 456b52f3b68e2..17f3d6e17a417 100644
--- a/x11-wm/mutter/mutter-3.16.4.ebuild
+++ b/x11-wm/mutter/mutter-3.16.4.ebuild
@@ -13,7 +13,7 @@ HOMEPAGE="https://git.gnome.org/browse/mutter/"
 LICENSE="GPL-2+"
 SLOT="0"
 IUSE="+introspection +kms test wayland"
-KEYWORDS="~alpha amd64 ~arm ~ia64 ~ppc ~ppc64 ~sparc ~x86"
+KEYWORDS="~alpha amd64 ~arm ~ia64 ~ppc ~ppc64 ~sparc x86"
 
 # libXi-1.7.4 or newer needed per:
 # https://bugzilla.gnome.org/show_bug.cgi?id=738944