diff --git a/setup.py b/setup.py
index db327c37..62d05a69 100644
--- a/setup.py
+++ b/setup.py
@@ -82,7 +82,7 @@ class PyTest(TestCommand):
             params['plugins'] = ['cov']
         if self.junitxml:
             params['args'] += self.junitxml
-        params['args'] += ['--doctest-modules', HELPERS, '-s']
+        params['args'] += ['--doctest-modules', HELPERS, '--doctest-modules', SCRIPTS, '-s']
         errno = pytest.main(**params)
         sys.exit(errno)