--- subscriptions.module.4.7.0.20060909	2006-09-09 21:02:02.000000000 -0400
+++ subscriptions.module	2006-11-03 00:11:01.000000000 -0500
@@ -527,7 +527,7 @@ function subscriptions_cron() {
  * given a comment, return an array of associated taxonomies
  */
 function subscriptions_comment_taxa($comment){
-  $result = db_query('SELECT tid FROM {term_node} WHERE nid = "%s"', $comment['nid']);
+  $result = db_query('SELECT tid FROM {term_node} WHERE nid = %d', $comment['nid']);
   return db_fetch_object($result);
 }