diff --git a/apps/accessibility/appinfo/routes.php b/apps/accessibility/appinfo/routes.php
index 52e7491821..ce03b3486b 100644
--- a/apps/accessibility/appinfo/routes.php
+++ b/apps/accessibility/appinfo/routes.php
@@ -23,7 +23,7 @@
 
 return [
 	'routes' => [
-		['name' => 'accessibility#getCss', 'url' => '/css/user-{md5}.css', 'verb' => 'GET'],
+		['name' => 'accessibility#getCss', 'url' => '/css/user-{md5}', 'verb' => 'GET'],
 		['name' => 'accessibility#getJavascript', 'url' => '/js/accessibility', 'verb' => 'GET'],
     ],
     'ocs' => [