diff --git a/dev-ml/ounit2/ounit2-2.2.3.ebuild b/dev-ml/ounit2/ounit2-2.2.3.ebuild
index 734a68807ddb1..354af513eda9d 100644
--- a/dev-ml/ounit2/ounit2-2.2.3.ebuild
+++ b/dev-ml/ounit2/ounit2-2.2.3.ebuild
@@ -10,7 +10,7 @@ HOMEPAGE="https://github.com/gildor478/ounit"
 SRC_URI="https://github.com/gildor478/ounit/releases/download/v${PV}/ounit-v${PV}.tbz"
 LICENSE="MIT"
 SLOT="0/${PV}"
-KEYWORDS="~amd64 ~arm ~arm64 ~ppc ~x86"
+KEYWORDS="~amd64 ~arm ~arm64 ~ppc ~ppc64 ~x86"
 DEPEND="
 	dev-ml/lwt:=
 	dev-ml/stdlib-shims:=