diff --git a/dev-python/protobuf-python/protobuf-python-3.6.1.ebuild b/dev-python/protobuf-python/protobuf-python-3.6.1.ebuild
index 1263e597ef865..abf9aeda24b9a 100644
--- a/dev-python/protobuf-python/protobuf-python-3.6.1.ebuild
+++ b/dev-python/protobuf-python/protobuf-python-3.6.1.ebuild
@@ -12,7 +12,7 @@ SRC_URI="https://github.com/protocolbuffers/protobuf/archive/v${PV}.tar.gz -> pr
 
 LICENSE="BSD"
 SLOT="0/17"
-KEYWORDS="~alpha amd64 ~arm ~arm64 ~hppa ia64 ~mips ppc ppc64 ~sh ~sparc x86 ~amd64-linux ~x86-linux ~x64-macos ~x86-macos"
+KEYWORDS="~alpha amd64 arm ~arm64 ~hppa ia64 ~mips ppc ppc64 ~sh ~sparc x86 ~amd64-linux ~x86-linux ~x64-macos ~x86-macos"
 IUSE=""
 
 DEPEND="${PYTHON_DEPS}