diff --git a/contrib/search_api_views/includes/query.inc b/contrib/search_api_views/includes/query.inc
index ce6e6b6..30805b9 100644
--- a/contrib/search_api_views/includes/query.inc
+++ b/contrib/search_api_views/includes/query.inc
@@ -124,6 +124,16 @@ class SearchApiViewsQuery extends views_plugin_query {
   }
 
   /**
+   * Implement the same add_orderby() method as views_plugin_query_default so
+   * that Views' "Global: Random" sort can be used.
+   */
+  function add_orderby($table, $field = NULL, $order = 'ASC', $alias = '', $params = array()) {
+    if ($table == 'rand') {
+      $this->add_selector_orderby('search_api_random', $order);
+    }
+  }
+
+  /**
    * Defines the options used by this query plugin.
    *
    * Adds an option to bypass access checks.
diff --git a/includes/query.inc b/includes/query.inc
index 59b5309..e3ef5db 100644
--- a/includes/query.inc
+++ b/includes/query.inc
@@ -615,6 +615,7 @@ class SearchApiQuery implements SearchApiQueryInterface {
     $fields += array(
       'search_api_relevance' => array('type' => 'decimal'),
       'search_api_id' => array('type' => 'integer'),
+      'search_api_random' => array('type' => 'integer'),
     );
     if (empty($fields[$field])) {
       throw new SearchApiException(t('Trying to sort on unknown field !field.', array('!field' => $field)));