diff --git a/MesBR.php b/MesBR.php
index 9ab8b3c..d551483 100644
--- a/MesBR.php
+++ b/MesBR.php
@@ -62,7 +62,7 @@ class MesBR
     {
         switch ($country) {
             case 'Belgique':
-                return '056';
+                return 56;
                 break;
             case 'Luxembourg':
                 return 442;