diff --git a/dev-python/stestr/stestr-2.1.0-r1.ebuild b/dev-python/stestr/stestr-2.1.0-r1.ebuild
index 17c04bb67e582..1de050c25a05e 100644
--- a/dev-python/stestr/stestr-2.1.0-r1.ebuild
+++ b/dev-python/stestr/stestr-2.1.0-r1.ebuild
@@ -13,7 +13,7 @@ SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz"
 
 LICENSE="Apache-2.0"
 SLOT="0"
-KEYWORDS="~alpha amd64 ~arm arm64 ~hppa ~ia64 ~mips ~ppc64 s390 sparc x86 ~amd64-linux ~x86-linux"
+KEYWORDS="~alpha amd64 ~arm arm64 ~hppa ~ia64 ~mips ~ppc64 ~s390 sparc x86 ~amd64-linux ~x86-linux"
 
 DEPEND=">=dev-python/pbr-2.0.0[${PYTHON_USEDEP}]"
 RDEPEND="