Index: modules/taxonomy/taxonomy.admin.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/taxonomy/taxonomy.admin.inc,v
retrieving revision 1.22.2.2
diff -u -p -r1.22.2.2 taxonomy.admin.inc
--- modules/taxonomy/taxonomy.admin.inc	8 Oct 2008 14:23:59 -0000	1.22.2.2
+++ modules/taxonomy/taxonomy.admin.inc	16 Dec 2008 20:27:41 -0000
@@ -521,7 +521,8 @@ function taxonomy_overview_terms_submit(
 
   // Save all updated terms.
   foreach ($changed_terms as $term) {
-    taxonomy_save_term($term);
+    db_query('UPDATE {term_hierarchy} SET parent = %d WHERE tid = %d', $term->parent, $term->tid);
+    db_query('UPDATE {term_data} SET weight = %d WHERE tid = %d', $term->weight, $term->tid);
   }
 
   // Update the vocabulary hierarchy to flat or single hierarchy.