--- book_access.module.old	2010-12-18 20:12:09.000000000 +0100
+++ book_access.module	2011-01-05 11:45:26.000000000 +0100
@@ -501,7 +501,7 @@ function _book_access_node_access_record
  *
  * @see book_access_form_alter()
  */
-function _book_access_restrict_options(&$options) {
+function _book_access_options_restrict(&$options) {
   if (user_access('administer nodes')) {
     return;
   }