diff --git a/dev-python/argh/argh-0.26.2-r2.ebuild b/dev-python/argh/argh-0.26.2-r2.ebuild
index 6c917efe14a12..f132c4a003c50 100644
--- a/dev-python/argh/argh-0.26.2-r2.ebuild
+++ b/dev-python/argh/argh-0.26.2-r2.ebuild
@@ -12,7 +12,7 @@ HOMEPAGE="https://pythonhosted.org/argh/"
 SRC_URI="mirror://pypi/a/${PN}/${P}.tar.gz"
 
 SLOT="0"
-KEYWORDS="amd64 arm arm64 ~hppa ~ia64 ppc ppc64 ~riscv ~sparc x86"
+KEYWORDS="amd64 arm arm64 ~hppa ~ia64 ppc ppc64 ~riscv ~s390 ~sparc x86"
 LICENSE="LGPL-3"
 
 BDEPEND="