diff --git a/nodequeue.module b/nodequeue.module
index 3d5be45..30a7889 100644
--- a/nodequeue.module
+++ b/nodequeue.module
@@ -2282,9 +2282,12 @@ function theme_nodequeue_arrange_subqueue_form_table($variables) {
         'class' => array('position')
       );
 
+
+      $classes = !empty($form[$key]['#attributes']['class']) ? $form[$key]['#attributes']['class'] : array();
+      $classes[] = 'draggable';
       $rows[] = array(
         'data'  => $row,
-        'class' => array('draggable'),
+        'class' => $classes,
       );
     }