diff --git a/Lib/pickle.py b/Lib/pickle.py
index c770ff8..1f45f37 100644
--- a/Lib/pickle.py
+++ b/Lib/pickle.py
@@ -364,7 +364,7 @@
             raise PicklingError("args from save_reduce() should be a tuple")
 
         # Assert that func is callable
-        if not hasattr(func, '__call__'):
+        if not callable(func):
             raise PicklingError("func from save_reduce() should be callable")
 
         save = self.save