diff --git a/dev-util/ninja/ninja-1.9.0.ebuild b/dev-util/ninja/ninja-1.9.0.ebuild
index ee77f4aa4b0d0..e593b7fbeb389 100644
--- a/dev-util/ninja/ninja-1.9.0.ebuild
+++ b/dev-util/ninja/ninja-1.9.0.ebuild
@@ -15,7 +15,7 @@ else
 	MY_P="ninja-${KITWARE_VERSION}"
 	S="${WORKDIR}/${MY_P}"
 	SRC_URI="https://github.com/Kitware/ninja/archive/v${KITWARE_VERSION}.tar.gz -> ${MY_P}.tar.gz"
-	KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sh sparc ~x86 ~x64-cygwin ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~x64-solaris"
+	KEYWORDS="~alpha ~amd64 arm ~arm64 ~hppa ~ia64 ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sh sparc ~x86 ~x64-cygwin ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos ~x64-solaris"
 fi
 
 DESCRIPTION="A small build system similar to make"