diff --git a/app-misc/mat2/mat2-0.14.0.ebuild b/app-misc/mat2/mat2-0.14.0.ebuild
index 2a3d1d2ed1..e8815b9963 100644
--- a/app-misc/mat2/mat2-0.14.0.ebuild
+++ b/app-misc/mat2/mat2-0.14.0.ebuild
@@ -49,6 +49,11 @@ src_prepare() {
 	distutils-r1_src_prepare
 }
 
+src_test() {
+	local -x COLUMNS=80
+	distutils-r1_src_test
+}
+
 src_install() {
 	distutils-r1_src_install
 	doman doc/mat2.1