diff --git a/contrib/templates/default/ukko.mustache b/contrib/templates/default/ukko.mustache
index e147b3b..d4bc108 100644
--- a/contrib/templates/default/ukko.mustache
+++ b/contrib/templates/default/ukko.mustache
@@ -20,7 +20,7 @@
     <div id="ukko_threads">
       {{#threads}}
         <div class="thread" id="thread_{{OP.PostHash}}">
-          <div class="thread_header">
+          <div class="ukko_thread_header">
           <p>Posted on <a href="{{{BoardURL}}}"><span class="ukko_boardname">{{OP.Board}}</span></a></p>
           </div>
           {{{OP.Truncate.RenderPost}}}