lib/mongoid/token.rb in mongoid_token-2.0.0 vs lib/mongoid/token.rb in mongoid_token-2.0.1

@@ -36,10 +36,10 @@
         set_callback(:save, :before) do |document|
           document.create_token_if_nil options.field_name, options.pattern
         end
 
         if options.override_to_param?
-          self.define_method :to_param do
+          self.send(:define_method, :to_param) do
             self.send(options.field_name) || super
           end
         end
       end
     end