diff --git a/htdocs/alias.php b/htdocs/alias.php
index 4f98003..6bcbfd2 100644
--- a/htdocs/alias.php
+++ b/htdocs/alias.php
@@ -12,7 +12,7 @@ include('inc/haut.php');
 include('inc/debut.php');
 
 if (!empty($_POST['cn'])) {
-    $cn = Html::clean(Html::purgeaccents(utf8_decode($_POST['cn']))); 
+    $cn = (!empty($_GET['alias'])) ? $alias->getName() : Html::clean(Html::purgeaccents(utf8_decode($_POST['cn']))); 
     $actif = (!empty($_POST['isactive'])) ? true : false;
     $mailaccept = array_filter($_POST['mailaccept'], function($value) {
         if (!empty($value)) {
@@ -54,7 +54,9 @@ if (isset($_GET['alias'])) {
     print "<center>";
     print '<h4>Modification de l\'alias '.$alias->getName().'</h4>';
 
-    print '<form name="add" action="alias.php?domain='.$domain->getName().'&alias='.$alias->getName().'&modif=yes" method="post">';
+    print '<form name="add" action="alias.php?domain='.$domain->getName().'&alias='.$alias->getName().'" method="post">';
+
+    print '<input type="hidden" name="cn" value="'.$alias->getName().'"/>';
 
     print "<table>";
 
diff --git a/htdocs/lib/class.ldapalias.php b/htdocs/lib/class.ldapalias.php
index 55bfd43..9f3d3ef 100644
--- a/htdocs/lib/class.ldapalias.php
+++ b/htdocs/lib/class.ldapalias.php
@@ -23,6 +23,19 @@ class LdapAlias extends LdapDomain {
     public function isActive() {
         return $this->active;
     }
+
+    public function update($active=false,$mailaccept=array(),$maildrop=array()) {
+        $info["isActive"] = ($active) ? 'TRUE' : 'FALSE';
+        $info["mailacceptinggeneralid"] = $mailaccept;
+        $info["maildrop"] = array_filter($maildrop, function($value) {
+            return filter_var($value, FILTER_VALIDATE_EMAIL);
+        });
+
+        if (!@ldap_mod_replace($this->conn, "cn=".$this->getName().",cn=".$this->domain.",".LDAP_BASE, $info)) {
+            $error = ldap_error($this->conn);
+            throw new Exception("Erreur pendant la modification de l'alias : $error");
+        }
+    }
    
     public function getName() {
         return $this->name;