diff --git a/DependencyInjection/ArtgrisFileManagerExtension.php b/DependencyInjection/ArtgrisFileManagerExtension.php
index 4bc4b71..8eac1fe 100644
--- a/DependencyInjection/ArtgrisFileManagerExtension.php
+++ b/DependencyInjection/ArtgrisFileManagerExtension.php
@@ -5,7 +5,7 @@
 use Symfony\Component\Config\FileLocator;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\DependencyInjection\Loader;
-use Symfony\Component\HttpKernel\DependencyInjection\Extension;
+use Symfony\Component\DependencyInjection\Extension\Extension;
 
 /**
  * @author Arthur Gribet <a.gribet@gmail.com>
diff --git a/Helpers/FileManager.php b/Helpers/FileManager.php
index 26ffd3b..2c57e92 100644
--- a/Helpers/FileManager.php
+++ b/Helpers/FileManager.php
@@ -151,7 +151,7 @@ public function getRoute(): ?string
 
     public function getRoutePath(): ?string
     {
-        return implode('/', array_map('rawurlencode', explode('/', $this->getRoute())));
+        return implode('/', array_map('rawurlencode', explode('/', $this->getRoute() ?? '')));
     }
 
     public function getBasePath(): bool|string