diff --git a/tsstats/templates/index.jinja2 b/tsstats/templates/index.jinja2
index 39d3e57..f0f812c 100644
--- a/tsstats/templates/index.jinja2
+++ b/tsstats/templates/index.jinja2
@@ -29,7 +29,7 @@
     <h1 class="page-header" onclick="window.location = '#sid{{ server.sid }}'" id="sid{{ server.sid }}">Server {{ server.sid }}</h2>
     {% include 'stats.jinja2' %}
   {% endfor %}
-  <small>Generated by <a href="https://github.com/Thor77/TeamspeakStats">TeamspeakStats</a> at {{ creation_time|frmttime }}</small>
+  <small>Generated by <a href="https://github.com/Thor77/TeamspeakStats" rel="noopener">TeamspeakStats</a> at {{ creation_time|frmttime }}</small>
 </div>
 </body>
 </html>