diff --git a/src/wp-admin/js/postbox.js b/src/wp-admin/js/postbox.js
index 37b26b8642..36673a9007 100644
--- a/src/wp-admin/js/postbox.js
+++ b/src/wp-admin/js/postbox.js
@@ -1,4 +1,4 @@
-/* global ajaxurl */
+/* global ajaxurl, postBoxL10n */
 
 var postboxes;