diff --git a/Lib/unittest/runner.py b/Lib/unittest/runner.py
index 99819df..3afbc0e 100644
--- a/Lib/unittest/runner.py
+++ b/Lib/unittest/runner.py
@@ -12,7 +12,7 @@
         self.stream = stream
 
     def __getattr__(self, attr):
-        if attr == 'stream':
+        if attr in ('stream', '__getstate__'):
             raise AttributeError(attr)
         return getattr(self.stream,attr)