--- subscriptions.module.orig   2006-09-15 22:23:30.000000000 -0400
+++ subscriptions.module        2006-09-15 22:23:54.000000000 -0400
@@ -527,7 +527,7 @@
  * 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 = '%s'", $comment['nid']);
   return db_fetch_object($result);
 }