diff --git a/dev-libs/md4c/md4c-0.5.2.ebuild b/dev-libs/md4c/md4c-0.5.2.ebuild
index e1fc41c0a577c..613026ab83f90 100644
--- a/dev-libs/md4c/md4c-0.5.2.ebuild
+++ b/dev-libs/md4c/md4c-0.5.2.ebuild
@@ -18,7 +18,7 @@ if [[ ${PV} == 9999 ]]; then
 else
 	SRC_URI="https://github.com/mity/md4c/archive/refs/tags/release-${PV}.tar.gz -> ${P}.tar.gz"
 	S="${WORKDIR}/md4c-release-${PV}"
-	KEYWORDS="amd64 ~arm ~arm64 ~hppa ~ppc ~ppc64 ~riscv ~x86"
+	KEYWORDS="amd64 ~arm ~arm64 ~hppa ~loong ~ppc ~ppc64 ~riscv ~x86"
 fi
 
 LICENSE="MIT test? ( CC-BY-SA-4.0 )"