diff --git a/web/gui/src/main/webapp/index.html b/web/gui/src/main/webapp/index.html
index de19409..06e0336 100644
--- a/web/gui/src/main/webapp/index.html
+++ b/web/gui/src/main/webapp/index.html
@@ -30,6 +30,7 @@
     <!--TODO: use minified versions, once debugging is complete -->
     <script src="tp/angular.js"></script>
     <script src="tp/angular-route.js"></script>
+    <script src="tp/angular-cookies.js"></script>
 
     <script src="tp/d3.js"></script>
     <script src="tp/topojson.v1.min.js"></script>