diff --git a/404.md b/404.md
index e9cfc0fc37..e3348edbdd 100644
--- a/404.md
+++ b/404.md
@@ -6,13 +6,13 @@ permalink: /404.html
 
 <script language="JavaScript">
 $( document ).ready(function() {
-  var oldURLs=[".html",".md","/v1.1","/v1.0","README"];
+  var oldURLs=[".html",".md","/v1.1/","/v1.0/","/README"];
   var doRedirect=false;
   var forwardingURL=window.location.href;
   for (i=0;i<oldURLs.length;i++) {
     if (forwardingURL.indexOf(oldURLs[i]) > -1) {
       doRedirect=true;
-      forwardingURL=forwardingURL.replace(oldURLs[i],"");
+      forwardingURL=forwardingURL.replace(oldURLs[i],"/");
     }
   }
   if (doRedirect) {