diff --git a/examples/d3.html b/examples/d3.html
index e82788839a..b960cddf57 100644
--- a/examples/d3.html
+++ b/examples/d3.html
@@ -47,6 +47,7 @@
     <script src="http://d3js.org/d3.v3.min.js"></script>
     <script src="http://d3js.org/topojson.v1.min.js"></script>
     <script src="loader.js?id=d3" type="text/javascript"></script>
+    <script src="../resources/example-behaviour.js" type="text/javascript"></script>
 
   </body>
 </html>