diff --git a/dev-cpp/muParser/muParser-2.3.3.ebuild b/dev-cpp/muParser/muParser-2.3.3.ebuild
index afedc8c4029f8..ab201cd8c9831 100644
--- a/dev-cpp/muParser/muParser-2.3.3.ebuild
+++ b/dev-cpp/muParser/muParser-2.3.3.ebuild
@@ -15,7 +15,7 @@ S="${WORKDIR}"/muparser-${PV}
 
 LICENSE="MIT"
 SLOT="0"
-KEYWORDS="amd64 ~arm ~arm64 ~loong ~ppc ~ppc64 ~riscv x86 ~amd64-linux ~x86-linux ~ppc-macos"
+KEYWORDS="amd64 ~arm arm64 ~loong ~ppc ~ppc64 ~riscv x86 ~amd64-linux ~x86-linux ~ppc-macos"
 IUSE="doc openmp test"
 RESTRICT="!test? ( test )"