diff --git a/app-shells/smrsh/smrsh-8.18.1-r1.ebuild b/app-shells/smrsh/smrsh-8.18.1-r1.ebuild
index e0f73a06ce775..940fba93ae906 100644
--- a/app-shells/smrsh/smrsh-8.18.1-r1.ebuild
+++ b/app-shells/smrsh/smrsh-8.18.1-r1.ebuild
@@ -29,7 +29,7 @@ S="${WORKDIR}/sendmail-${PV}"
 
 LICENSE="Sendmail"
 SLOT="0"
-KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~ppc ~x86"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~ppc ~s390 ~x86"
 
 RDEPEND="!mail-mta/sendmail"
 DEPEND="${RDEPEND}"