Index: disqus.module
===================================================================
--- disqus.module	(revision 676)
+++ disqus.module	(working copy)
@@ -91,7 +91,7 @@
             ));
 
             // Build the title.
-            $node->disqus['title'] = check_plain($node->title);
+            $node->disqus['title'] = check_plain(strip_tags($node->title));
 
             // Provide the identifier.
             $node->disqus['identifier'] = 'node/' . $node->nid;