diff --git a/app/views/feeds/show.html.haml b/app/views/feeds/show.html.haml
index 4863bc5..7be65b2 100644
--- a/app/views/feeds/show.html.haml
+++ b/app/views/feeds/show.html.haml
@@ -5,7 +5,7 @@
 %p
   = link_to "Fetch", fetch_feed_url(@feed), :class => "button"
    
-  %a.button{ :href => "http://validator.w3.org/appc/check.cgi?url=#{@feed.feed_url}"}<
+  %a.button{ :href => "https://validator.w3.org/feed/check.cgi?url=#{@feed.feed_url}"}<
     Validate
   &nbsp;
   = link_to 'Edit', edit_feed_path(@feed), :class => "button"