1 files changed, 3 insertions, 1 deletions
diff --git a/actionpack/lib/action_dispatch/middleware/session/abstract_store.rb b/actionpack/lib/action_dispatch/middleware/session/abstract_store.rb
index 2dff139b49..fcc2287279 100644
--- a/actionpack/lib/action_dispatch/middleware/session/abstract_store.rb
+++ b/actionpack/lib/action_dispatch/middleware/session/abstract_store.rb
@@ -196,7 +196,9 @@ module ActionDispatch
         end
 
         def set_cookie(request, options)
-          request.cookie_jar[@key] = options
+          if request.cookie_jar[@key] != options[:value] || !options[:expires].nil?
+            request.cookie_jar[@key] = options
+          end
         end
 
         def load_session(env)