diff --git a/lib/rails3-jquery-autocomplete/simple_form_plugin.rb b/lib/rails3-jquery-autocomplete/simple_form_plugin.rb
index 36595517..aad2134d 100644
--- a/lib/rails3-jquery-autocomplete/simple_form_plugin.rb
+++ b/lib/rails3-jquery-autocomplete/simple_form_plugin.rb
@@ -2,7 +2,7 @@ module SimpleForm
   module Inputs
     class AutocompleteInput < Base
       def input
-        @builder.autocomplete_field(attribute_name, options[:url], input_html_options)
+        @builder.autocomplete_field(attribute_name, options[:url], input_html_options.merge(update_elements(options[:update_elements])))
       end
 
     protected
@@ -14,6 +14,10 @@ def limit
       def has_placeholder?
         placeholder_present?
       end
+
+      def update_elements(elements)
+        {'data-update-elements' => elements.to_json}
+      end
     end
   end
 end