diff --git a/views.py b/views.py
index 20a3b0e..0637aa8 100644
--- a/views.py
+++ b/views.py
@@ -601,7 +601,8 @@ def add_comment(request, post_id, parent_id):
         connection.close()
         
     response = HttpResponseRedirect(ref)
-    response['Cache-Control'] = 'no-cache'
+    response['Cache-Control'] = 'no-store, no-cache, must-revalidate'
+    response['Expires'] = 'Thu, 01 Jan 1970 00:00:00 GMT'
 
     response.set_cookie('author', request.POST['author'], domain=blog.name, secure=True, httponly=False);
     if request.POST['email'] != '':