diff --git a/dev-python/atomicwrites/atomicwrites-1.1.5-r2.ebuild b/dev-python/atomicwrites/atomicwrites-1.1.5-r2.ebuild
index 71e648359d62a..d916b495da117 100644
--- a/dev-python/atomicwrites/atomicwrites-1.1.5-r2.ebuild
+++ b/dev-python/atomicwrites/atomicwrites-1.1.5-r2.ebuild
@@ -13,8 +13,13 @@ SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz"
 LICENSE="MIT"
 SLOT="0"
 KEYWORDS="~amd64 ~x86"
-IUSE=""
+IUSE="test"
 
-DEPEND="dev-python/setuptools[${PYTHON_USEDEP}]"
+DEPEND="dev-python/setuptools[${PYTHON_USEDEP}]
+	test? ( dev-python/pytest[${PYTHON_USEDEP}] )"
 
 DOCS=( README.rst )
+
+python_test() {
+	py.test -v || die "Tests fail with ${EPYTHON}"
+}