diff --git a/dev-python/blinker/blinker-1.4-r1.ebuild b/dev-python/blinker/blinker-1.4-r1.ebuild
index bd950d4814392..37ef6cf554fab 100644
--- a/dev-python/blinker/blinker-1.4-r1.ebuild
+++ b/dev-python/blinker/blinker-1.4-r1.ebuild
@@ -13,7 +13,7 @@ SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz"
 
 LICENSE="MIT"
 SLOT="0"
-KEYWORDS="~alpha amd64 arm arm64 ~hppa ppc ppc64 ~sparc x86 ~amd64-linux ~x86-linux"
+KEYWORDS="~alpha amd64 arm arm64 ~hppa ppc ppc64 ~s390 ~sparc x86 ~amd64-linux ~x86-linux"
 IUSE="doc"
 
 distutils_enable_tests nose