diff --git a/Lib/test/test_ssl.py b/Lib/test/test_ssl.py
index 216aa84a8c147b..b93fa0ed99f8ce 100644
--- a/Lib/test/test_ssl.py
+++ b/Lib/test/test_ssl.py
@@ -383,6 +383,7 @@ def test_random(self):
         ssl.RAND_add(bytearray(b"this is a random bytearray object"), 75.0)
 
     def test_parse_cert(self):
+        self.maxDiff = None
         # note that this uses an 'unofficial' function in _ssl.c,
         # provided solely for this test, to exercise the certificate
         # parsing code