diff --git a/Framework/Requete.php b/Framework/Requete.php
index 37bfc16..f8d9495 100755
--- a/Framework/Requete.php
+++ b/Framework/Requete.php
@@ -52,7 +52,7 @@ class Requete
     {
         if ($this->existeParametre($date)) {
             // Format selon la langue : anglais = m/j/Y, autres = j/m/Y
-            $format = (isset($_SESSION['lang']) && $_SESSION['lang'] == 'en') 
+            $format = (isset($_SESSION['lang']) && $_SESSION['lang'] == "en_US") 
                     ? 'm/j/Y' 
                     : 'j/m/Y';