diff --git a/dev-ml/ppx_optional/ppx_optional-0.17.0-r1.ebuild b/dev-ml/ppx_optional/ppx_optional-0.17.0-r1.ebuild
index 7d6cf87bfb340..2d88f4f8e0366 100644
--- a/dev-ml/ppx_optional/ppx_optional-0.17.0-r1.ebuild
+++ b/dev-ml/ppx_optional/ppx_optional-0.17.0-r1.ebuild
@@ -11,7 +11,7 @@ SRC_URI="https://github.com/janestreet/${PN}/archive/v${PV}.tar.gz -> ${P}.tar.g
 
 LICENSE="Apache-2.0"
 SLOT="0/$(ver_cut 1-2)"
-KEYWORDS="~amd64 ~arm64 ~ppc ~ppc64"
+KEYWORDS="~amd64 ~arm64 ~ppc ~ppc64 ~riscv"
 IUSE="+ocamlopt"
 
 # Jane Street Minor