diff --git a/src/Symfony/Bundle/FrameworkBundle/Resources/config/router_dev.php b/src/Symfony/Bundle/FrameworkBundle/Resources/config/router_dev.php
index 9e70bf7acd..1e9fa748e7 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Resources/config/router_dev.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Resources/config/router_dev.php
@@ -21,6 +21,11 @@
  * @author: Albert Jessurum <ajessu@gmail.com>
  */
 
+// Workaround https://bugs.php.net/64566
+if (ini_get('auto_prepend_file') && !in_array(realpath(ini_get('auto_prepend_file')), get_included_files(), true)) {
+    require ini_get('auto_prepend_file');
+}
+
 if (is_file($_SERVER['DOCUMENT_ROOT'].DIRECTORY_SEPARATOR.$_SERVER['SCRIPT_NAME'])) {
     return false;
 }
diff --git a/src/Symfony/Bundle/FrameworkBundle/Resources/config/router_prod.php b/src/Symfony/Bundle/FrameworkBundle/Resources/config/router_prod.php
index a3ef29d8db..231fbead56 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Resources/config/router_prod.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Resources/config/router_prod.php
@@ -21,6 +21,11 @@
  * @author: Albert Jessurum <ajessu@gmail.com>
  */
 
+// Workaround https://bugs.php.net/64566
+if (ini_get('auto_prepend_file') && !in_array(realpath(ini_get('auto_prepend_file')), get_included_files(), true)) {
+    require ini_get('auto_prepend_file');
+}
+
 if (is_file($_SERVER['DOCUMENT_ROOT'].DIRECTORY_SEPARATOR.$_SERVER['SCRIPT_NAME'])) {
     return false;
 }