diff --git a/dev-ruby/net-smtp/net-smtp-0.5.1.ebuild b/dev-ruby/net-smtp/net-smtp-0.5.1.ebuild
index 5c7125376b78d..94afefa79144c 100644
--- a/dev-ruby/net-smtp/net-smtp-0.5.1.ebuild
+++ b/dev-ruby/net-smtp/net-smtp-0.5.1.ebuild
@@ -16,7 +16,7 @@ SRC_URI="https://github.com/ruby/net-smtp/archive/v${PV}.tar.gz -> ${P}.tar.gz"
 
 LICENSE="BSD-2"
 SLOT="0"
-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/net-protocol