diff --git a/_layouts/docindex.html b/_layouts/docindex.html
index e793d37..119856d 100644
--- a/_layouts/docindex.html
+++ b/_layouts/docindex.html
@@ -1,17 +1,17 @@
 ---
 layout: page
 title: RPC Documentation by Version
-permalink: /doc
+permalink: doc/
 ---
 <link rel="stylesheet" href="/overrides.css">
 <div id="content" style="font-size: 26px">
   <ul>
     {% for version in page.versions %}
     <li><a href="/doc/{{ version }}/rpc/">{{ version }}</a></li>
     {% endfor %}
   </ul>
 </div>
 
 <!-- TODO: Remove this line once the footer is correctly floated
 to the bottom of the page -->
 <div style="margin-bottom: 250px"></div>