diff --git a/core/includes/ajax.inc b/core/includes/ajax.inc
index d9879a4..46eb897 100644
--- a/core/includes/ajax.inc
+++ b/core/includes/ajax.inc
@@ -243,7 +243,7 @@ function ajax_render($commands = array()) {
     // loaded. It probably indicates an error, and rather than making the page
     // reload all of the files, instead we return no new files.
     $state = $request->request->get('ajax_page_state[' . $type . ']', FALSE, TRUE);
-    if ($state) {
+    if (empty($state)) {
       $items[$type] = array();
     }
     else {