diff --git a/Lib/unittest.py b/Lib/unittest.py
index 2714a5884f5..64d54d8b7df 100644
--- a/Lib/unittest.py
+++ b/Lib/unittest.py
@@ -192,7 +192,7 @@ def id(self):
         return "%s.%s" % (_strclass(self.__class__), self.__testMethodName)
 
     def __str__(self):
-        return "%s (%s)" % (self.__testMethodName, self.__class__)
+        return "%s (%s)" % (self.__testMethodName, _strclass(self.__class__))
 
     def __repr__(self):
         return "<%s testMethod=%s>" % \