diff --git a/dev-python/pbr/pbr-1.9.1.ebuild b/dev-python/pbr/pbr-1.9.1.ebuild
index aeae45161a12a..a3e43aac098e3 100644
--- a/dev-python/pbr/pbr-1.9.1.ebuild
+++ b/dev-python/pbr/pbr-1.9.1.ebuild
@@ -15,7 +15,7 @@ SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz"
 
 LICENSE="Apache-2.0"
 SLOT="0"
-KEYWORDS="~alpha amd64 arm ~arm64 hppa ~ia64 ~m68k ~mips ~ppc ppc64 ~s390 ~sh ~sparc ~x86 ~amd64-linux ~x86-linux"
+KEYWORDS="~alpha amd64 arm arm64 hppa ia64 m68k ~mips ppc ppc64 s390 sh sparc x86 ~amd64-linux ~x86-linux"
 IUSE="test"
 
 # git is needed for tests, see https://bugs.launchpad.net/pbr/+bug/1326682 and https://bugs.gentoo.org/show_bug.cgi?id=561038