diff --git a/src/Symfony/Component/Routing/Route.php b/src/Symfony/Component/Routing/Route.php
index 83f9a0a3896c..abc37aa773ae 100644
--- a/src/Symfony/Component/Routing/Route.php
+++ b/src/Symfony/Component/Routing/Route.php
@@ -23,12 +23,12 @@ class Route implements \Serializable
     /**
      * @var string
      */
-    private $pattern;
+    private $pattern = '/';
 
     /**
      * @var string
      */
-    private $hostnamePattern;
+    private $hostnamePattern = '';
 
    /**
      * @var array