--- subscriptions.module.20070219	2007-02-18 22:21:56.000000000 -0500
+++ subscriptions.module	2007-02-26 22:44:05.000000000 -0500
@@ -686,7 +686,7 @@ function subscriptions_cron() {
  */
 function subscriptions_comment_taxa($comment){
   $nid = is_null($comment->nid) ? $comment['nid'] : $comment->nid;
-  $result = db_query('SELECT tid FROM {term_node} WHERE nid = "%s"', $nid);
+  $result = db_query('SELECT tid FROM {term_node} WHERE nid = %d', $nid);
   return db_fetch_object($result);
 }