diff --git a/dev-python/virtualenv/virtualenv-21.0.0.ebuild b/dev-python/virtualenv/virtualenv-21.0.0.ebuild
index b639be29fa344..6ae63978afd35 100644
--- a/dev-python/virtualenv/virtualenv-21.0.0.ebuild
+++ b/dev-python/virtualenv/virtualenv-21.0.0.ebuild
@@ -19,7 +19,7 @@ HOMEPAGE="
 
 LICENSE="MIT"
 SLOT="0"
-KEYWORDS="~amd64 ~riscv"
+KEYWORDS="~amd64 ~riscv ~s390"
 IUSE="test"
 RESTRICT="!test? ( test )"