diff --git a/sci-mathematics/z3/z3-4.15.1.ebuild b/sci-mathematics/z3/z3-4.15.1.ebuild
index ffa44270faf9e..7fa8604f23ccd 100644
--- a/sci-mathematics/z3/z3-4.15.1.ebuild
+++ b/sci-mathematics/z3/z3-4.15.1.ebuild
@@ -14,7 +14,7 @@ S=${WORKDIR}/z3-${P}
 
 LICENSE="MIT"
 SLOT="0/$(ver_cut 1-2)"
-KEYWORDS="amd64 arm ~arm64 ~loong ~mips ~ppc ~ppc64 ~riscv ~sparc x86"
+KEYWORDS="amd64 arm arm64 ~loong ~mips ~ppc ~ppc64 ~riscv ~sparc x86"
 IUSE="doc examples gmp isabelle java python"
 REQUIRED_USE="${PYTHON_REQUIRED_USE}"