diff --git a/Lib/contextlib.py b/Lib/contextlib.py
index af701d32268..6fcb5360eb2 100644
--- a/Lib/contextlib.py
+++ b/Lib/contextlib.py
@@ -103,7 +103,7 @@ def nested(*managers):
 
     """
     warn("With-statements now directly support multiple context managers",
-         DeprecationWarning, 2)
+         DeprecationWarning, 3)
     exits = []
     vars = []
     exc = (None, None, None)