activeresource loosing it's prefix_options

gistfile1.rb

  class Base < ActiveResource::Base
    
    def reload
      po = self.prefix_options.dup
      super
      self.prefix_options = po
      return self
    end
    
    def save
      po = self.prefix_options.dup
      res = super
      self.prefix_options = po
      return res
    end
  end