diff --git a/htdocs/samples/api_flow.html b/htdocs/samples/api_flow.html
index 133ece5..91c5bed 100644
--- a/htdocs/samples/api_flow.html
+++ b/htdocs/samples/api_flow.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="/js/d3.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
diff --git a/htdocs/samples/api_flow_timeseries.html b/htdocs/samples/api_flow_timeseries.html
index 6ffca24..3b1b3f9 100644
--- a/htdocs/samples/api_flow_timeseries.html
+++ b/htdocs/samples/api_flow_timeseries.html
@@ -5,7 +5,7 @@
   <body>
     <div id="chart"></div>
 
-    <script src="/js/d3.min.js" charset="utf-8"></script>
+    <script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script>
     <script src="/js/c3.js"></script>
     <script>
 
