diff --git a/wiki/templates/wiki/layout.html b/wiki/templates/wiki/layout.html
index 2de3d5b8..8a7d96cf 100644
--- a/wiki/templates/wiki/layout.html
+++ b/wiki/templates/wiki/layout.html
@@ -49,7 +49,7 @@
{% block head %} {% endblock %}
- {{ head_html or "" }}
+ {% if head_html %}{{ head_html | safe }}{% endif %}
{% if not hide_chrome %}