diff --git a/WEB/Model/UserModel.php b/WEB/Model/UserModel.php
index d4cae90c..f345eab4 100644
--- a/WEB/Model/UserModel.php
+++ b/WEB/Model/UserModel.php
@@ -106,11 +106,12 @@ class UserModel
     }
 
     public function enigmeMultiEnded(string $mailUtilisateur, int $enigmeId){
-        $end_time = $_SESSION['tpsMaxPartie'];
+        $idPartie = $_SESSION['idPartie'];
+        $dateDebut = $this->partie_gateway->getDateDebut($idPartie);
+        $end_time = $dateDebut->modify('+'. $_SESSION['tpsMaxPartie'] .'seconds');
         $now = new DateTime();
         $interval = $now->diff($end_time);
         $tempDeResolution = $interval->days * 24 * 60 * 60 + $interval->h * 60 * 60 + $interval->i * 60 + $interval->s;
-        $idPartie = $_SESSION['idPartie'];
         $result = $this->resoudre_gateway->getMaxClassement($enigmeId, $idPartie);
         if ($result == 0){
             $classement = 1;