diff --git a/rosmorport_tsts/templates-django/blocks/nav_header.jinja b/rosmorport_tsts/templates-django/blocks/nav_header.jinja
index 4ddb328..60c5617 100644
--- a/rosmorport_tsts/templates-django/blocks/nav_header.jinja
+++ b/rosmorport_tsts/templates-django/blocks/nav_header.jinja
@@ -12,4 +12,4 @@
         </a>{% endif %}</nobr>
       </div>
     </div>
-  </nav>{% include "popup/logon-logout.jinja" %}
\ No newline at end of file
+  </nav>{% if not request.user.is_authenticated %}{% include "popup/logon-logout.jinja" %}{% endif %}
\ No newline at end of file