diff --git a/sys-libs/mtdev/mtdev-1.1.6.ebuild b/sys-libs/mtdev/mtdev-1.1.6.ebuild
index abbd8dd4b15fd..e427325f37479 100644
--- a/sys-libs/mtdev/mtdev-1.1.6.ebuild
+++ b/sys-libs/mtdev/mtdev-1.1.6.ebuild
@@ -9,7 +9,7 @@ SRC_URI="https://bitmath.org/code/mtdev/${P}.tar.bz2"
 
 LICENSE="MIT"
 SLOT="0"
-KEYWORDS="~alpha amd64 arm arm64 ~hppa ~ia64 ~m68k ~mips ppc ppc64 ~riscv ~s390 sparc x86"
+KEYWORDS="~alpha amd64 arm arm64 ~hppa ~ia64 ~loong ~m68k ~mips ppc ppc64 ~riscv ~s390 sparc x86"
 IUSE=""
 
 DEPEND=">=sys-kernel/linux-headers-2.6.31"