diff --git a/dev-python/greenlet/greenlet-1.0.0.ebuild b/dev-python/greenlet/greenlet-1.0.0.ebuild
index 49849f9ef4fa5..0148cca6d50f6 100644
--- a/dev-python/greenlet/greenlet-1.0.0.ebuild
+++ b/dev-python/greenlet/greenlet-1.0.0.ebuild
@@ -14,7 +14,7 @@ SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz"
 
 LICENSE="MIT"
 SLOT="0"
-KEYWORDS="~alpha amd64 arm arm64 -hppa -ia64 ~mips ppc ppc64 s390 sparc x86 ~amd64-linux ~x86-linux ~x64-macos"
+KEYWORDS="~alpha amd64 arm arm64 -hppa -ia64 ~mips ppc ppc64 ~s390 sparc x86 ~amd64-linux ~x86-linux ~x64-macos"
 
 distutils_enable_sphinx docs