--- similar_handler_argument_nid.inc.original	2011-11-24 12:36:07.000000000 +1100
+++ similar_handler_argument_nid.inc	2011-11-24 12:35:44.000000000 +1100
@@ -71,7 +71,7 @@ class similar_handler_argument_nid exten
     $text = trim(addslashes(strip_tags($text)));
 
     $this->ensure_my_table();
-    $nids = $this->nids;
+    $nids = $this->view->nids;
 
     $selects = array();
     if (db_table_exists('field_data_body')) {