diff --git a/dev-libs/protobuf/protobuf-3.7.1.ebuild b/dev-libs/protobuf/protobuf-3.7.1.ebuild
index f4eab1ca144e2..c9fe2ba4ebde1 100644
--- a/dev-libs/protobuf/protobuf-3.7.1.ebuild
+++ b/dev-libs/protobuf/protobuf-3.7.1.ebuild
@@ -24,7 +24,7 @@ fi
 
 LICENSE="BSD"
 SLOT="0/18"
-KEYWORDS="alpha amd64 ~arm arm64 hppa ia64 ~mips ppc ppc64 s390 ~sh sparc x86 ~amd64-linux ~x86-linux ~x64-macos ~x86-macos"
+KEYWORDS="alpha amd64 arm arm64 hppa ia64 ~mips ppc ppc64 s390 ~sh sparc x86 ~amd64-linux ~x86-linux ~x64-macos ~x86-macos"
 IUSE="emacs examples static-libs test zlib"
 RESTRICT="!test? ( test )"