diff --git a/Lib/test/test_imaplib.py b/Lib/test/test_imaplib.py
index daf5b0ee496c03..51e3412324b72d 100644
--- a/Lib/test/test_imaplib.py
+++ b/Lib/test/test_imaplib.py
@@ -901,9 +901,8 @@ def handle(self):
                 SimpleIMAPHandler.handle(self)
 
         _, server = self._setup(TimeoutHandler)
-        addr = server.server_address[1]
         with self.assertRaises(TimeoutError):
-            client = self.imap_class("localhost", addr, timeout=0.001)
+            client = self.imap_class(*server.server_address, timeout=0.001)
 
     def test_with_statement(self):
         _, server = self._setup(SimpleIMAPHandler, connect=False)