diff --git a/Lib/test/_test_multiprocessing.py b/Lib/test/_test_multiprocessing.py
index 31eadd2..424e1fa 100644
--- a/Lib/test/_test_multiprocessing.py
+++ b/Lib/test/_test_multiprocessing.py
@@ -1035,9 +1035,9 @@
         start = time.time()
         self.assertRaises(pyqueue.Empty, q.get, True, 0.200)
         delta = time.time() - start
-        # Tolerate a delta of 30 ms because of the bad clock resolution on
+        # Tolerate a delta of 50 ms because of the bad clock resolution on
         # Windows (usually 15.6 ms)
-        self.assertGreaterEqual(delta, 0.170)
+        self.assertGreaterEqual(delta, 0.150)
         close_queue(q)
 
     def test_queue_feeder_donot_stop_onexc(self):