diff --git a/relation_add.module b/relation_add.module
index 5a9893b..a09ff99 100644
--- a/relation_add.module
+++ b/relation_add.module
@@ -151,6 +151,8 @@ function relation_add_autocomplete($type = '', $direction = 'target', $field = '
         $query->propertyCondition('vid', $bundles, 'IN');
       }
 
+      $query->addTag('efq_relation_add_autocomplete');
+
       if ($results = $query->execute()) {
         foreach (array_keys($results[$entity_type]) as $id) {
           $entities = entity_load($entity_type, array($id));