diff --git a/mail-mta/nullmailer/nullmailer-2.2-r1.ebuild b/mail-mta/nullmailer/nullmailer-2.2-r1.ebuild
index 051ce2259b9f1..4ffe7cc5126b2 100644
--- a/mail-mta/nullmailer/nullmailer-2.2-r1.ebuild
+++ b/mail-mta/nullmailer/nullmailer-2.2-r1.ebuild
@@ -11,7 +11,7 @@ SRC_URI="http://untroubled.org/${PN}/archive/${P}.tar.gz"
 
 LICENSE="GPL-2"
 SLOT="0"
-KEYWORDS="amd64 ~arm ppc x86 ~x64-cygwin"
+KEYWORDS="amd64 ~arm ~arm64 ppc x86 ~x64-cygwin"
 IUSE="ssl test"
 RESTRICT="!test? ( test )"