diff --git a/dev-ml/ocaml-ctypes/ocaml-ctypes-0.21.1-r2.ebuild b/dev-ml/ocaml-ctypes/ocaml-ctypes-0.21.1-r2.ebuild
index a24811c72f003..6d92575220133 100644
--- a/dev-ml/ocaml-ctypes/ocaml-ctypes-0.21.1-r2.ebuild
+++ b/dev-ml/ocaml-ctypes/ocaml-ctypes-0.21.1-r2.ebuild
@@ -12,7 +12,7 @@ SRC_URI="https://github.com/yallop/ocaml-ctypes/archive/${PV}.tar.gz -> ${P}.tar
 
 LICENSE="MIT"
 SLOT="0/${PV}"
-KEYWORDS="~amd64 ~arm arm64 ~ppc ~ppc64 ~riscv ~x86"
+KEYWORDS="~amd64 arm arm64 ~ppc ~ppc64 ~riscv ~x86"
 IUSE="+ocamlopt test"
 RESTRICT="!test? ( test )"