Index: modules/filter/filter.admin.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/filter/filter.admin.inc,v
retrieving revision 1.8.2.1
diff -u -p -r1.8.2.1 filter.admin.inc
--- modules/filter/filter.admin.inc	12 Feb 2008 14:25:34 -0000	1.8.2.1
+++ modules/filter/filter.admin.inc	24 Sep 2008 16:14:45 -0000
@@ -195,7 +195,7 @@ function filter_admin_format_form_submit
     if ($checked) {
       list($module, $delta) = explode('/', $id);
       // Add new filters to the bottom.
-      $weight = isset($current[$id]->weight) ? $current[$id]->weight : 10;
+      $weight = isset($current[$id]->weight) ? $current[$id]->weight : -10;
       db_query("INSERT INTO {filters} (format, module, delta, weight) VALUES (%d, '%s', %d, %d)", $format, $module, $delta, $weight);
 
       // Check if there are any 'no cache' filters.