diff --git a/classes/VideoDownload.php b/classes/VideoDownload.php
index 539462a..56e0684 100644
--- a/classes/VideoDownload.php
+++ b/classes/VideoDownload.php
@@ -89,12 +89,12 @@ class VideoDownload
      *
      * @return string
      */
-    private function getProp($url, $format = null, $prop = 'dump-json', $password = null)
+    private function getProp($url = null, $format = null, $prop = 'dump-json', $password = null)
     {
-        $arguments = [
-            '--'.$prop,
-            $url,
-        ];
+        $arguments = ['--'.$prop];
+        if (isset($url)) {
+            $arguments[] = $url;
+        }
         if (isset($format)) {
             $arguments[] = '-f '.$format;
         }
diff --git a/controllers/FrontController.php b/controllers/FrontController.php
index c2cd9d3..4e73858 100644
--- a/controllers/FrontController.php
+++ b/controllers/FrontController.php
@@ -79,9 +79,9 @@ class FrontController
     /**
      * FrontController constructor.
      *
-     * @param Container $container Slim dependency container
-     * @param Config    $config    Config instance
-     * @param array     $cookies   Cookie array
+     * @param ContainerInterface $container Slim dependency container
+     * @param Config             $config    Config instance
+     * @param array              $cookies   Cookie array
      */
     public function __construct(ContainerInterface $container, Config $config = null, array $cookies = [])
     {
@@ -112,7 +112,7 @@ class FrontController
      */
     public function index(Request $request, Response $response)
     {
-        $uri = $request->getUri()->withUserInfo(null);
+        $uri = $request->getUri()->withUserInfo('');
         $this->view->render(
             $response,
             'index.tpl',