diff --git a/web/gui/src/main/webapp/index2.html b/web/gui/src/main/webapp/index2.html
index ca5b6a8..aa62d13 100644
--- a/web/gui/src/main/webapp/index2.html
+++ b/web/gui/src/main/webapp/index2.html
@@ -34,6 +34,7 @@
     <!-- Third party library code included here -->
     <!--TODO: use the minified version of d3, once debugging is complete -->
     <script src="libs/d3.js"></script>
+    <script src="libs/topojson.v1.min.js"></script>
     <script src="libs/jquery-2.1.1.min.js"></script>
 
     <!-- Base library and framework stylesheets included here -->
@@ -101,6 +102,7 @@
     <!-- Contributed (application) views injected here -->
     <!-- TODO: replace with template marker and inject refs server-side -->
     <script src="webSockTrace.js"></script>
+
     <script src="topo2.js"></script>
 
     <!-- finally, build the UI-->