diff --git a/sphinx_rtd_theme/layout.html b/sphinx_rtd_theme/layout.html
index 6e8c18c2..68029172 100644
--- a/sphinx_rtd_theme/layout.html
+++ b/sphinx_rtd_theme/layout.html
@@ -67,6 +67,7 @@
         <link rel="prev" title="{{ prev.title|striptags|e }}" href="{{ prev.link|e }}"/>
     {%- endif %}
   {%- endblock %}
+  {%- block extrahead %} {% endblock %}
 
   {# Keep modernizr in head - http://modernizr.com/docs/#installing #}
   <script src="http://cdnjs.cloudflare.com/ajax/libs/modernizr/2.6.2/modernizr.min.js"></script>