diff -u b/field_collection_tabs.js b/field_collection_tabs.js
--- b/field_collection_tabs.js
+++ b/field_collection_tabs.js
@@ -14,7 +14,7 @@
 Drupal.behaviors.fieldCollectionTabs = {
   attach: function (context, settings) {
     // Process JQuery UI tabs.
-    var $tabs = $('.field-collection-tabs', context).once('.tabs-processed');
+    var $tabs = $('.field-collection-tabs', context).once('tabs');
     // JQuery UI tabs component might not be loaded if we use ERTA.
     if (typeof $tabs.tabs == 'function') {
        $tabs.tabs();