diff --git a/dev-ruby/rexml/rexml-3.4.2.ebuild b/dev-ruby/rexml/rexml-3.4.2.ebuild
index 6d3fb2c68bf10..d2f1fcd0929ea 100644
--- a/dev-ruby/rexml/rexml-3.4.2.ebuild
+++ b/dev-ruby/rexml/rexml-3.4.2.ebuild
@@ -19,7 +19,7 @@ SRC_URI="https://github.com/ruby/rexml/archive/v${PV}.tar.gz -> ${P}.tar.gz"
 LICENSE="BSD-2"
 
 SLOT="3"
-KEYWORDS="~alpha amd64 ~arm ~arm64 ~hppa ~loong ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc x86 ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~x64-solaris"
+KEYWORDS="~alpha amd64 arm ~arm64 ~hppa ~loong ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc x86 ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos ~x64-macos ~x64-solaris"
 
 ruby_add_rdepend "dev-ruby/strscan"