diff --git a/doc/_templates/layout.html b/doc/_templates/layout.html
index c2524692b55b..f0d0ec778f5d 100644
--- a/doc/_templates/layout.html
+++ b/doc/_templates/layout.html
@@ -153,7 +153,9 @@ {{ _('Navigation') }}
}}" />
{%- endif %}
{%- endblock %}
-{%- block extrahead %} {% endblock %}
+{%- block extrahead %}
+
+{% endblock %}