diff --git a/src/BusProNet/XmlLoader/AgencyLoader.php b/src/BusProNet/XmlLoader/AgencyLoader.php
index 8452021..4bd9e34 100644
--- a/src/BusProNet/XmlLoader/AgencyLoader.php
+++ b/src/BusProNet/XmlLoader/AgencyLoader.php
@@ -14,7 +14,7 @@ use Symfony\Contracts\Cache\ItemInterface;
 
 class AgencyLoader
 {
-    public const DEFAULT_AGENCY_CODE = '0001';
+    public const DEFAULT_AGENCY_CODE = 'INTERN';
 
     public function __construct(
         private readonly CacheInterface $cache,