diff --git a/DependencyInjection/IrsteaFileUploadExtension.php b/DependencyInjection/IrsteaFileUploadExtension.php
index c99294afc08d20f6fb5614c139e3a272b5716861..4b02ee2447f54c499c0a6209b211123f963cd3d3 100644
--- a/DependencyInjection/IrsteaFileUploadExtension.php
+++ b/DependencyInjection/IrsteaFileUploadExtension.php
@@ -67,7 +67,7 @@ class IrsteaFileUploadExtension extends Extension implements PrependExtensionInt
         $container->prependExtensionConfig(
             'twig',
             [
-                'form_thmes' => [
+                'form_themes' => [
                     'IrsteaFileUploadBundle:Form:file_upload.html.twig',
                 ],
             ]