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-rw-r--r--modules/book/book.module4
1 files changed, 3 insertions, 1 deletions
diff --git a/modules/book/book.module b/modules/book/book.module
index ca49a98c4..1ac28bce6 100644
--- a/modules/book/book.module
+++ b/modules/book/book.module
@@ -445,7 +445,9 @@ function _book_add_form_elements(&$form, $node) {
'#collapsible' => TRUE,
'#collapsed' => TRUE,
'#group' => 'additional_settings',
- '#attached_js' => array(drupal_get_path('module', 'book') . '/book.js'),
+ '#attached' => array(
+ 'js' => array(drupal_get_path('module', 'book') . '/book.js'),
+ ),
'#tree' => TRUE,
'#attributes' => array('class' => array('book-outline-form')),
);