diff --git a/examples/button/button.html b/examples/button/button.html
index 5d86d75c6c..706e072af2 100644
--- a/examples/button/button.html
+++ b/examples/button/button.html
@@ -41,7 +41,7 @@ <h2>Examples</h2>
               <code>div</code>
             </td>
             <td>
-              <div role="button" id="print">Print Page</div>
+              <div tabindex="0" role="button" id="print">Print Page</div>
             </td>
             <td>
               <ul>