diff --git a/dev-libs/cereal/cereal-1.3.2-r2.ebuild b/dev-libs/cereal/cereal-1.3.2-r2.ebuild
index 6082cdb4afaaf..da3bf9c69469b 100644
--- a/dev-libs/cereal/cereal-1.3.2-r2.ebuild
+++ b/dev-libs/cereal/cereal-1.3.2-r2.ebuild
@@ -42,10 +42,10 @@ src_configure() {
 		-DSKIP_PERFORMANCE_COMPARISON=ON
 
 		-DWITH_WERROR=OFF
-
-		# TODO: Enable if multilib?
-		-DSKIP_PORTABILITY_TEST=ON
 	)
 
+	# TODO: Enable if multilib?
+	use test && mycmakeargs+=( -DSKIP_PORTABILITY_TEST=ON )
+
 	cmake_src_configure
 }