Index: node_comment_form.inc
===================================================================
--- node_comment_form.inc	(revision 442)
+++ node_comment_form.inc	(working copy)
@@ -36,7 +36,11 @@
         'node' => $node,
         'args' => array(array('nid' => $node->nid))
       );
-      $block->content = ctools_build_form('comment_form', $form_state);
+      //$block->content = ctools_build_form('comment_form', $form_state);
+
+      $block->content = comment_form_box(array('nid' => $node->nid), t('Post new comment'));
+    } else {
+       $block->content = theme('comment_post_forbidden', $node);
     }
   }