--- sites/all/modules/nat/nat.module	2008-10-24 11:04:48.000000000 -0400
+++ sites/all/modules/nat/nat.module.new	2008-10-24 11:06:47.000000000 -0400
@@ -568,6 +568,11 @@ function _nat_update_terms($terms, $titl
     }
 
     $edit['tid'] = $term->tid;
+
+    if (isset($term->weight)) {
+      $edit['weight'] = $term->weight;
+    }
+
     taxonomy_save_term($edit);
   }
 }