diff --git a/src/Symfony/Component/Routing/RouteCollection.php b/src/Symfony/Component/Routing/RouteCollection.php
index ec6f4afc29..40fe1e6602 100644
--- a/src/Symfony/Component/Routing/RouteCollection.php
+++ b/src/Symfony/Component/Routing/RouteCollection.php
@@ -275,7 +275,7 @@ class RouteCollection implements \IteratorAggregate, \Countable
      */
     public function setHostnamePattern($pattern)
     {
-        foreach ($this->routes as $name => $route) {
+        foreach ($this->routes as $route) {
             $route->setHostnamePattern($pattern);
         }
     }