--- keyword_rules.module.orig	2011-09-14 01:35:09.000000000 -0700
+++ keyword_rules.module	2011-09-14 01:35:35.000000000 -0700
@@ -161,6 +161,7 @@ function keyword_rules_headings($form_va
  *   The array of form values.
  */
 function _keyword_rules_extract_tags($form_values) {
+  $tags = array();
   $keyword_field = variable_get('keyword_rules_field_' . $form_values['type'], 'disabled');
   if ($keyword_field == 'disabled') {
     return FALSE;