diff --git a/dev-cpp/catch/catch-2.5.0.ebuild b/dev-cpp/catch/catch-2.5.0.ebuild
index b649c8e17e62f..1adebaa8e0f32 100644
--- a/dev-cpp/catch/catch-2.5.0.ebuild
+++ b/dev-cpp/catch/catch-2.5.0.ebuild
@@ -13,7 +13,7 @@ if [[ ${PV} == *9999 ]]; then
 else
 	MY_P=${PN^}2-${PV}
 	SRC_URI="https://github.com/catchorg/Catch2/archive/v${PV}.tar.gz -> ${MY_P}.tar.gz"
-	KEYWORDS="amd64 ~x86"
+	KEYWORDS="amd64 s390 ~x86"
 
 	S=${WORKDIR}/${MY_P}
 fi