Index: wordfilter.module
===================================================================
--- wordfilter.module	(revision 1774)
+++ wordfilter.module	(working copy)
@@ -35,8 +35,8 @@
 }
 
 function _wordfilter_list($refresh = 0) {
-  static $list;
-  if (!$list || $refresh) {
+  static $list = NULL;
+  if (is_null($list) || $refresh) {
     $result = db_query('SELECT * FROM {wordfilter}');
     $list = array();
     while ($a = db_fetch_object($result)) {