diff --git a/Lib/pickle.py b/Lib/pickle.py
index 69fc2ccaf78..7d6825fb0b4 100644
--- a/Lib/pickle.py
+++ b/Lib/pickle.py
@@ -199,7 +199,7 @@ def __init__(self, file, protocol=None, bin=None):
             raise ValueError, "can't specify both 'protocol' and 'bin'"
         if bin is not None:
             warnings.warn("The 'bin' argument to Pickler() is deprecated",
-                          PendingDeprecationWarning)
+                          DeprecationWarning)
             protocol = bin
         if protocol is None:
             protocol = 0