diff --git a/src/Symfony/Component/HttpFoundation/Session/Storage/NativeSessionStorage.php b/src/Symfony/Component/HttpFoundation/Session/Storage/NativeSessionStorage.php
index ed60b9e341..ad51f3fd47 100644
--- a/src/Symfony/Component/HttpFoundation/Session/Storage/NativeSessionStorage.php
+++ b/src/Symfony/Component/HttpFoundation/Session/Storage/NativeSessionStorage.php
@@ -208,13 +208,15 @@ class NativeSessionStorage implements SessionStorageInterface
         $ret = session_regenerate_id($destroy);
 
         // workaround for https://bugs.php.net/bug.php?id=61470 as suggested by David Grudl
-        session_write_close();
-        if (isset($_SESSION)) {
-            $backup = $_SESSION;
-            session_start();
-            $_SESSION = $backup;
-        } else {
-            session_start();
+        if($this->getSaveHandler()->getSaveHandlerName() === 'files') {
+            session_write_close();
+            if (isset($_SESSION)) {
+                $backup = $_SESSION;
+                session_start();
+                $_SESSION = $backup;
+            } else {
+                session_start();
+            }
         }
 
         return $ret;