diff --git a/dev-perl/Proc-ProcessTable/Proc-ProcessTable-0.636.0.ebuild b/dev-perl/Proc-ProcessTable/Proc-ProcessTable-0.636.0.ebuild
index a8af2e7c255ec..980a37d3e357c 100644
--- a/dev-perl/Proc-ProcessTable/Proc-ProcessTable-0.636.0.ebuild
+++ b/dev-perl/Proc-ProcessTable/Proc-ProcessTable-0.636.0.ebuild
@@ -11,7 +11,7 @@ inherit perl-module
 DESCRIPTION="Unix process table information"
 
 SLOT="0"
-KEYWORDS="~alpha amd64 arm arm64 ~hppa ~loong ~mips ppc ppc64 ~riscv sparc x86"
+KEYWORDS="~alpha amd64 arm arm64 ~hppa ~loong ~mips ppc ppc64 ~riscv ~s390 sparc x86"
 IUSE="examples"
 
 RDEPEND="