diff --git a/include/functions_images.inc.php b/include/functions_images.inc.php
index 1154c6c6..2ea089a2 100644
--- a/include/functions_images.inc.php
+++ b/include/functions_images.inc.php
@@ -1988,7 +1988,7 @@ function serendipity_getImageFields() {
                                          'type' => 'date'
                                    ),
 
-            'i.extension'         => array('desc' => SORT_ORDER_EXTENSION
+            'i.name'              => array('desc' => SORT_ORDER_NAME
                                    ),
 
             'i.authorid'          => array('desc' => AUTHOR,