diff --git a/Lib/test/_test_multiprocessing.py b/Lib/test/_test_multiprocessing.py
index 54b942e76d78c5..d4177c5e8fe5ac 100644
--- a/Lib/test/_test_multiprocessing.py
+++ b/Lib/test/_test_multiprocessing.py
@@ -1516,6 +1516,7 @@ def _test_lock_locked_2processes(cls, lock, event, res):
         res.value = lock.locked()
         event.set()
 
+    @unittest.skipUnless(HAS_SHAREDCTYPES, 'needs sharedctypes')
     def test_lock_locked_2processes(self):
         if self.TYPE != 'processes':
             self.skipTest('test not appropriate for {}'.format(self.TYPE))