diff --git a/htdocs/lib/ldap.class.php b/htdocs/lib/ldap.class.php
index e56a4010b2a..5881f9c4f9d 100644
--- a/htdocs/lib/ldap.class.php
+++ b/htdocs/lib/ldap.class.php
@@ -979,6 +979,9 @@ class Ldap
         $filter = '('.$this->filter.'('.$userIdentifier.'='.$user.'))';
 
         $this->result = @ldap_search($this->connection, $this->people, $filter);
+        
+        // Si pas de résultat on cherche dans le domaine
+        if (!this->result) $this->result = @ldap_search($this->connection, $this->domain, $filter);
 
         $result = @ldap_get_entries( $this->connection, $this->result);