Index: discussthis.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/discussthis/discussthis.module,v
retrieving revision 1.7
diff -u -F^function -r1.7 discussthis.module
--- discussthis.module	25 Jun 2008 14:20:44 -0000	1.7
+++ discussthis.module	14 Jul 2008 14:58:24 -0000
@@ -484,7 +484,8 @@ function _discussthis_new_topic($nid) {
                     '.<br /> Below is the discussion so far. Feel free to add your own comments!<br />';
   $values['body'] = token_replace(variable_get('discussthis_newtemplate',$default_body), 'discussthis', $node);
 
-  $values['taxonomy'][1] = $tid;
+  $forum_vid = variable_get('forum_nav_vocabulary', 1)
+  $values['taxonomy'][$forum_vid] = $tid;
   $values['status'] = 1;
   drupal_execute('forum_node_form', $values, $newnode);