diff --git a/sci-mathematics/primesieve/primesieve-12.3.ebuild b/sci-mathematics/primesieve/primesieve-12.3.ebuild
index b1cba56d796a2..01033ef71a988 100644
--- a/sci-mathematics/primesieve/primesieve-12.3.ebuild
+++ b/sci-mathematics/primesieve/primesieve-12.3.ebuild
@@ -10,7 +10,7 @@ HOMEPAGE="https://github.com/kimwalisch/primesieve"
 SRC_URI="https://github.com/kimwalisch/${PN}/archive/refs/tags/v${PV}.tar.gz -> ${P}.tar.gz"
 LICENSE="BSD-2"
 SLOT="0/12"  # subslot is first component of libprimesieve.so version
-KEYWORDS="~amd64 ~arm ~arm64 ~ppc64 ~riscv ~x86"
+KEYWORDS="~amd64 ~arm ~arm64 ~loong ~ppc64 ~riscv ~x86"
 IUSE="doc +executable test"
 RESTRICT="!test? ( test )"