Index: betterselect.module
===================================================================
--- betterselect.module	(revision 95)
+++ betterselect.module	(working copy)
@@ -232,9 +232,9 @@
           $options[$tid] = $tid;
           // Save lineage - automatically select all parents.
           if (variable_get('betterselect_save_lineage', FALSE)) {
-            $parents = taxonomy_get_parents($tid);
+            $parents = taxonomy_get_parents_all($tid);
             foreach ($parents as $key => $val) {
-              $options[$key] = $key;
+              $options[$val->tid] = $val->tid;
             }
           }
         }