diff --git a/docs/demo/index.html b/docs/demo/index.html
index b33c4614..1fc2610b 100644
--- a/docs/demo/index.html
+++ b/docs/demo/index.html
@@ -26,7 +26,7 @@
           <span>Version: </span>
           <select id="markedVersion">
             <option value="commit">Add Commit:</option>
-            <option value="master">master</option>
+            <option value="master" selected>master</option>
           </select>
           <input type="text" id="commitVersion" title="Add commit version" />·
           <button id="clear">Clear</button>