diff --git a/ippisite/ippidb/templates/base.html b/ippisite/ippidb/templates/base.html
index 04559d240e0b3c6994d3687780e1407ce31e138b..69ea552de5eb94dd1f8dfb8394f874ab03f7599b 100644
--- a/ippisite/ippidb/templates/base.html
+++ b/ippisite/ippidb/templates/base.html
@@ -19,7 +19,7 @@
         <script src="/static/chartjs/Chart.bundle.js"></script>
 
         <script src="/static/js/ippidb.js" type="text/javascript"></script>
-
+        {% block extra_js %}{% endblock %}
 
         <script type="text/javascript">
             var modifyUrl = function(paramName, paramValue){