diff --git a/src/Symfony/Bundle/FrameworkBundle/Resources/config/router_dev.php b/src/Symfony/Bundle/FrameworkBundle/Resources/config/router_dev.php
index 64c90b4bd20c..9e70bf7acd47 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Resources/config/router_dev.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Resources/config/router_dev.php
@@ -25,6 +25,7 @@
     return false;
 }
 
+$_SERVER = array_merge($_SERVER, $_ENV);
 $_SERVER['SCRIPT_FILENAME'] = $_SERVER['DOCUMENT_ROOT'].DIRECTORY_SEPARATOR.'app_dev.php';
 
 require 'app_dev.php';
diff --git a/src/Symfony/Bundle/FrameworkBundle/Resources/config/router_prod.php b/src/Symfony/Bundle/FrameworkBundle/Resources/config/router_prod.php
index 4278b4bba15b..a3ef29d8db95 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Resources/config/router_prod.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Resources/config/router_prod.php
@@ -25,6 +25,7 @@
     return false;
 }
 
+$_SERVER = array_merge($_SERVER, $_ENV);
 $_SERVER['SCRIPT_FILENAME'] = $_SERVER['DOCUMENT_ROOT'].DIRECTORY_SEPARATOR.'app.php';
 
 require 'app.php';