diff -r e6ac91d5462b -r 38ac6cb87be7 web/client_old.php
--- a/web/client_old.php	Thu Jan 19 13:58:59 2012 +0100
+++ b/web/client_old.php	Thu Jan 19 15:40:12 2012 +0100
@@ -278,9 +278,11 @@
         <li class="selected">
             <a href="#vlWrap"><?php echo($translate->_('Video')); ?></a>
         </li>
+<?php if (isset($config['semantic_board']) && $config['semantic_board']) { ?>
         <li>
             <a href="semanticboard.php?small=1&theme=jour"><?php echo($translate->_('SemanticBoard')); ?></a>
         </li>
+<?php } ?>
 <?php if (isset($config['knowtex_url'])) { ?>
         <li>
             <a href="<?php echo $config['knowtex_url'] ?>"><?php echo($translate->_('SocialGraph')); ?></a>