diff --git a/Lib/test/test_typing.py b/Lib/test/test_typing.py
index ca10a87b061..a26e80995fe 100644
--- a/Lib/test/test_typing.py
+++ b/Lib/test/test_typing.py
@@ -9282,5 +9282,11 @@ class TypeIterationTests(BaseTestCase):
             self.assertNotIsInstance(type_to_test, collections.abc.Iterable)
 
 
+def load_tests(loader, tests, pattern):
+    import doctest
+    tests.addTests(doctest.DocTestSuite(typing))
+    return tests
+
+
 if __name__ == '__main__':
     main()