diff --git a/modules/backend/layouts/_head.htm b/modules/backend/layouts/_head.htm
index 72c0d1067..a64cf4f0f 100644
--- a/modules/backend/layouts/_head.htm
+++ b/modules/backend/layouts/_head.htm
@@ -15,6 +15,7 @@
 <script src="<?= URL::asset('modules/cms/widgets/mediamanager/assets/js/mediamanager-global-min.js') ?>"></script>
 
 <script src="<?= Backend::skinAsset('assets/js/october.flyout.js') ?>"></script>
+<script src="<?= Backend::skinAsset('assets/js/october.tabformexpandcontrols.js') ?>"></script>
 
 <?= $this->makeAssets() ?>
 <?= Block::placeholder('head') ?>