diff --git a/htdocs/lib/ldap.lib.php b/htdocs/lib/ldap.lib.php
index 5d5a75bf6d1..27aa31cfce7 100644
--- a/htdocs/lib/ldap.lib.php
+++ b/htdocs/lib/ldap.lib.php
@@ -45,9 +45,10 @@ Function dolibarr_ldap_bind($ds)
 
 Function ldap_unacc($str)
 {
-
   $stu = ereg_replace("é","e",$str);
-
+  $stu = ereg_replace("è","e",$str);
+  $stu = ereg_replace("ê","e",$str);
+  $stu = ereg_replace("à","a",$str);
   return $stu;
 }