1 files changed, 7 insertions, 2 deletions
diff --git a/activesupport/lib/active_support/json/encoders/object.rb b/activesupport/lib/active_support/json/encoders/object.rb
index 0475967aee..9cc12d91ac 100644
--- a/activesupport/lib/active_support/json/encoders/object.rb
+++ b/activesupport/lib/active_support/json/encoders/object.rb
@@ -2,7 +2,12 @@ require 'active_support/core_ext/object/instance_variables'
 
 class Object
   # Dumps object in JSON (JavaScript Object Notation). See www.json.org for more info.
-  def to_json(options = {})
-    ActiveSupport::JSON.encode(instance_values, options)
+  def to_json(options = nil)
+    ActiveSupport::JSON.encode(self, options)
   end
+
+  private
+    def rails_to_json(*args)
+      ActiveSupport::JSON.encode(instance_values, *args)
+    end
 end