diff --git a/schema.xml b/schema.xml
index 0971ef6..86b47c2 100644
--- a/schema.xml
+++ b/schema.xml
@@ -376,6 +376,8 @@
         unknown fields indexed and/or stored by default. -->
    <dynamicField name="*" type="ignored" multiValued="true" />
 
+   <!-- http://realize.be/random-results-apache-solr-and-drupal -->
+   <dynamicField name="random*" type="rand" stored="true" />
  </fields>
 
  <!-- Field to use to determine and enforce document uniqueness.
diff --git a/service.inc b/service.inc
index 2f03bee..089b854 100644
--- a/service.inc
+++ b/service.inc
@@ -341,6 +341,7 @@ class SearchApiSolrService extends SearchApiAbstractService {
         'search_api_id' => 'ss_search_api_id',
         'search_api_relevance' => 'score',
         'search_api_item_id' => 'item_id',
+        'search_api_random' => 'random_' . rand(1, 200),
       );
 
       // Add the names of any "fields" configured on the index.