--- nodecomment.module  2008-05-18 16:42:56 -0700
+++ nodecomment.module.new      2008-05-18 16:44:35 -0700
@@ -640,7 +640,7 @@ function nodecomment_render($node, $cid
       $nid = 0;
     }

-    if ($cid) {
+    if (is_numeric($cid)) {
       // Single comment view.
       if ($comment = node_load($cid)) {
         $output = theme('node', $comment, TRUE, TRUE);