diff --git a/lib/default_master.tpl b/lib/default_master.tpl
index ef91021..04d68bc 100755
--- a/lib/default_master.tpl
+++ b/lib/default_master.tpl
@@ -1,7 +1,10 @@
 <header>
+% 
+% if(test -w `{pwd}^/sites^/`{echo $site }^/_werc/lib/top_bar.inc){
     <nav>
 % cat `{pwd}^/sites^/`{echo $site }^/_werc/lib/top_bar.inc
     </nav>
+% }
     <h1><a href="/">%($"siteTitle%) <span id="headerSubTitle">%($"siteSubTitle%)</span></a></h1>
 </header>