diff --git a/website/themes/ots/templates/base.html b/website/themes/ots/templates/base.html
index 4b03c5a841dcfbf8f534ac55a96915903e7e1419..134b8402bc8bdea3519a9665e15a700538ddaa49 100644
--- a/website/themes/ots/templates/base.html
+++ b/website/themes/ots/templates/base.html
@@ -7,7 +7,7 @@
 
     <title>
         {% block title %}
-            {{SITENAME}} &mdash; {{SITESUBTITLE}}
+        {{SITENAME}}{%if SITESUBTITLE %} &mdash; {{SITESUBTITLE}}{% endif %}
         {% endblock %}
     </title>