diff --git a/Lib/pickle.py b/Lib/pickle.py
index 02a1b1d..9667781 100644
--- a/Lib/pickle.py
+++ b/Lib/pickle.py
@@ -351,7 +351,7 @@
             raise PicklingError("args from reduce() should be a tuple")
 
         # Assert that func is callable
-        if not callable(func):
+        if not hasattr(func, '__call__'):
             raise PicklingError("func from reduce should be callable")
 
         save = self.save