diff --git a/src/ninegate-1.0/src/Cadoles/CoreBundle/Command/SynchroCommand.php b/src/ninegate-1.0/src/Cadoles/CoreBundle/Command/SynchroCommand.php
index 7d131a8b..9d742b21 100644
--- a/src/ninegate-1.0/src/Cadoles/CoreBundle/Command/SynchroCommand.php
+++ b/src/ninegate-1.0/src/Cadoles/CoreBundle/Command/SynchroCommand.php
@@ -243,7 +243,8 @@ class SynchroCommand extends Command
                 
                             if($user->getLastname()!=$result[$ldap_lastname]||$user->getFirstname()!=$result[$ldap_firstname]||$user->getEmail()!=$result[$ldap_email]||$toadmin) {
                                 $usermail=$this->em->getRepository('CadolesCoreBundle:User')->findOneBy(array('email' => $result[$ldap_email]));
-                                if($usermail!=$user) {
+                                
+                                if($usermail&&$usermail!=$user) {
                                     array_push($tberrors,"    - Modification dans Bundle impossible     >> ".$result[$ldap_username]." un autre utilisateur a déjà ce mail = ".$result[$ldap_email]);
                                 }
                                 else {