diff --git a/bureau/admin/adm_variables.php b/bureau/admin/adm_variables.php
index 6c2704a6..b37da6d3 100644
--- a/bureau/admin/adm_variables.php
+++ b/bureau/admin/adm_variables.php
@@ -133,6 +133,18 @@ foreach( $variables->variables_list_name() as $varname => $varcomment) {  ?>
 
 <br/>
 <?php } // if $member_id && $fqdn_id  ?>
+
+<hr/>
+<h3><?php __("Magical values");?></h3>
+<?php __("Those var are automatically replaced by the value indicated"); ?>
+<ul>
+<?php 
+foreach ($variables->replace_array as $vrepk => $vrepvalue) {
+  echo "<li><code>$vrepk</code> => $vrepvalue</li>";
+}
+?>
+</ul>
+
 <script type="text/javascript">
 
 $(document).ready(function() 
diff --git a/bureau/class/m_variables.php b/bureau/class/m_variables.php
index c16efdff..927ba36f 100644
--- a/bureau/class/m_variables.php
+++ b/bureau/class/m_variables.php
@@ -36,6 +36,14 @@
 class m_variables {
   var $strata_order = array('DEFAULT','GLOBAL','FQDN_CREATOR','FQDN','CREATOR','MEMBER','DOMAIN');
   var $cache_variable_list = false;
+  var $replace_array = array();
+
+  function m_variables() {
+    global $L_FQDN;
+    $this->replace_array = array(
+      "%%FQDN%%"=> $L_FQDN,
+    );
+  }
 
   // used by get_impersonated to merge array. Son value overwrite father's value
   private function variable_merge($father, $son) {
@@ -135,6 +143,14 @@ class m_variables {
 
     } //foreach
 
+    // Replace needed vars
+    foreach ($variables as $vv => $hh) {
+      if (!isset($hh['value'])) {
+        continue;
+      }
+      $variables[$vv]['value'] = strtr($hh['value'], $this->replace_array );
+    }
+
     if ($var && isset($variables[$var])) {
       return $variables[$var];
     } else {