diff --git a/src/Symfony/Component/Filesystem/Filesystem.php b/src/Symfony/Component/Filesystem/Filesystem.php
index a1ff41e892b70..16d83dc2e5fea 100644
--- a/src/Symfony/Component/Filesystem/Filesystem.php
+++ b/src/Symfony/Component/Filesystem/Filesystem.php
@@ -516,7 +516,10 @@ public function dumpFile($filename, $content, $mode = 0666)
             }
 
             $this->chmod($tmpFile, $mode);
+        } else {
+            @chmod($tmpFile, file_exists($filename) ? fileperms($filename) : 0666 & ~umask());
         }
+
         $this->rename($tmpFile, $filename, true);
     }