diff --git a/doc/_templates/search.html b/doc/_templates/search.html
index 54f1d3338e0c..6e285090cc40 100644
--- a/doc/_templates/search.html
+++ b/doc/_templates/search.html
@@ -3,6 +3,7 @@
 {%- block scripts %}
     {{ super() }}
     <script type="text/javascript" src="{{ pathto('_static/searchtools.js', 1) }}"></script>
+    <script type="text/javascript" src="{{ pathto('_static/language_data.js', 1) }}"></script>
 {%- endblock %}
 {% block body %}
   <h1 id="search-documentation">{{ _('Search') }}</h1>