diff --git a/DependencyInjection/IrsteaFileUploadExtension.php b/DependencyInjection/IrsteaFileUploadExtension.php
index 975c7b699f5a173de2441378eb2496c3701f5a68..f5572bfa33b2f6bfb8a190c5e80d84ce22e5fd37 100644
--- a/DependencyInjection/IrsteaFileUploadExtension.php
+++ b/DependencyInjection/IrsteaFileUploadExtension.php
@@ -42,7 +42,7 @@ class IrsteaFileUploadExtension extends Extension implements PrependExtensionInt
      */
     public function prepend(ContainerBuilder $container)
     {
-        $pluginDir = '%kernel.root_dir%/../../vendor/blueimp/jquery-file-upload';
+        $pluginDir = __DIR__ . '/../../../blueimp/jquery-file-upload';
 
         $container->prependExtensionConfig(
             'assetic',