diff --git a/Filesystem.php b/Filesystem.php
index 1b6eaa68cd..eca36bff19 100644
--- a/Filesystem.php
+++ b/Filesystem.php
@@ -477,9 +477,9 @@ public function dumpFile($filename, $content, $mode = 0666)
             throw new IOException(sprintf('Failed to write file "%s".', $filename));
         }
 
-        $this->rename($tmpFile, $filename, true);
         if (null !== $mode) {
-            $this->chmod($filename, $mode);
+            $this->chmod($tmpFile, $mode);
         }
+        $this->rename($tmpFile, $filename, true);
     }
 }