diff --git a/themes/bootstrap3/templates/RecordTab/hierarchytree.phtml b/themes/bootstrap3/templates/RecordTab/hierarchytree.phtml
index f33349f23aa4c4073ff5100c04d7ee1e3f4d8a1f..754171e34193e55b1449ad8f977b5fae57b64ab5 100644
--- a/themes/bootstrap3/templates/RecordTab/hierarchytree.phtml
+++ b/themes/bootstrap3/templates/RecordTab/hierarchytree.phtml
@@ -8,7 +8,7 @@
      \Zend\View\Helper\HeadScript::SCRIPT,
      "var hierarchySettings = {\n"
      . "    lightboxMode: " . ($this->layout()->getTemplate() == 'layout/lightbox' ? 'true' : 'false') . ",\n"
-     . "    fullHierarchy: false\n" // . ($this->tab->isFullHierarchyVisible() ? 'true' : 'false') . "\n"
+     . "    fullHierarchy: " . ($this->tab->isFullHierarchyVisible() ? 'true' : 'false') . "\n"
      . "};\n"
      . "VuFind.addTranslations({\n"
      . "    'showTree': '" . $this->transEsc('hierarchy_show_tree') . "',\n"