diff --git a/includes/nodequeue.admin.inc b/includes/nodequeue.admin.inc
index ccb68df..ef0878c 100644
--- a/includes/nodequeue.admin.inc
+++ b/includes/nodequeue.admin.inc
@@ -868,7 +868,7 @@ function nodequeue_arrange_subqueue_form($form, $form_state, $queue, $nodes, $su
  */
 function nodequeue_arrange_subqueue_form_validate($form, &$form_state) {
   $positions = array();
-  foreach ($form_state['values'] as $nid => $element) {
+  foreach ($form_state['values']['nodes'] as $nid => $element) {
     if (is_numeric($nid) && is_numeric($element['position'])) {
       $positions[$nid] = $element['position'];
     }