diff --git a/dev-libs/protobuf/protobuf-3.11.4.ebuild b/dev-libs/protobuf/protobuf-3.11.4.ebuild
index efb2e5b431a5c..4fe1fe35a20e4 100644
--- a/dev-libs/protobuf/protobuf-3.11.4.ebuild
+++ b/dev-libs/protobuf/protobuf-3.11.4.ebuild
@@ -22,7 +22,7 @@ fi
 
 LICENSE="BSD"
 SLOT="0/22"
-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 )"