diff --git a/x11-wm/twm/twm-1.0.9.ebuild b/x11-wm/twm/twm-1.0.9.ebuild
index 712dfbddce7a3..fb7212716acd7 100644
--- a/x11-wm/twm/twm-1.0.9.ebuild
+++ b/x11-wm/twm/twm-1.0.9.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2015 Gentoo Foundation
+# Copyright 1999-2016 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 # $Id$
 
@@ -9,7 +9,7 @@ inherit xorg-2
 
 DESCRIPTION="X.Org twm application"
 
-KEYWORDS="~alpha amd64 arm hppa ~ia64 ~mips ppc ppc64 ~s390 ~sh ~sparc x86 ~amd64-fbsd ~x86-fbsd ~amd64-linux ~x86-linux"
+KEYWORDS="~alpha amd64 arm ~arm64 hppa ~ia64 ~mips ppc ppc64 ~s390 ~sh ~sparc x86 ~amd64-fbsd ~x86-fbsd ~amd64-linux ~x86-linux"
 IUSE=""
 
 RDEPEND="x11-libs/libX11