Index: django/http/__init__.py
===================================================================
--- D:/Python24/Lib/site-packages/django/http/__init__.py	(revisione 3543)
+++ D:/Python24/Lib/site-packages/django/http/__init__.py	(copia locale)
@@ -205,7 +205,7 @@
 
     def delete_cookie(self, key):
         try:
-            self.cookies[key]['max_age'] = 0
+            self.cookies[key]['max-age'] = 0
         except KeyError:
             pass