diff --git a/index.Rmd b/index.Rmd
index 69a6671..08e6ed0 100644
--- a/index.Rmd
+++ b/index.Rmd
@@ -130,6 +130,7 @@ Let us design the user interface first. Note that we need four components, two s
 
 ```{r eval = F}
 require(rCharts)
+options(RCHART_LIB = 'polycharts')
 shinyUI(pageWithSidebar(
   headerPanel("Percentage of Employed who are Senior Managers, by Sex"),
   
diff --git a/index.html b/index.html
index 2a4aad7..a3359e1 100644
--- a/index.html
+++ b/index.html
@@ -147,6 +147,7 @@ <h4>User Interface (ui.R)</h4>
 <p>Let us design the user interface first. Note that we need four components, two select boxes to allow the user to select the year and country, and two <code>div</code> tags to place the dynamically generated chart output.</p>
 
 <pre><code class="r">require(rCharts)
+options(RCHART_LIB = &#39;polycharts&#39;)
 shinyUI(pageWithSidebar(
   headerPanel(&quot;Percentage of Employed who are Senior Managers, by Sex&quot;),
 
diff --git a/index.md b/index.md
index 67140b7..823a95b 100644
--- a/index.md
+++ b/index.md
@@ -147,6 +147,7 @@ Let us design the user interface first. Note that we need four components, two s
 
 ```r
 require(rCharts)
+options(RCHART_LIB = 'polycharts')
 shinyUI(pageWithSidebar(
   headerPanel("Percentage of Employed who are Senior Managers, by Sex"),