diff --git a/dev-libs/mcl/mcl-0.1.13.ebuild b/dev-libs/mcl/mcl-0.1.13.ebuild
index ed625bc87d..e81f18e2db 100644
--- a/dev-libs/mcl/mcl-0.1.13.ebuild
+++ b/dev-libs/mcl/mcl-0.1.13.ebuild
@@ -31,6 +31,7 @@ PATCHES=(
 src_configure() {
 	local mycmakeargs=(
 		-DBUILD_TESTING=$(usex test)
+		-DMCL_WARNINGS_AS_ERRORS=no
 	)
 
 	cmake_src_configure