diff --git a/Lib/test/test_coroutines.py b/Lib/test/test_coroutines.py
index d78eaaca279..deeaa724e79 100644
--- a/Lib/test/test_coroutines.py
+++ b/Lib/test/test_coroutines.py
@@ -1199,8 +1199,8 @@ class CoroutineTest(unittest.TestCase):
             def __aiter__(self):
                 return self
 
-        anext_awaitable = anext(A(), "a").__await__()
-        self.assertRaises(TypeError, anext_awaitable.close, 1)
+        with contextlib.closing(anext(A(), "a").__await__()) as anext_awaitable:
+            self.assertRaises(TypeError, anext_awaitable.close, 1)
 
     def test_with_1(self):
         class Manager: