diff --git a/src/Symfony/Component/Filesystem/Filesystem.php b/src/Symfony/Component/Filesystem/Filesystem.php
index 79e8420688821..a1ff41e892b70 100644
--- a/src/Symfony/Component/Filesystem/Filesystem.php
+++ b/src/Symfony/Component/Filesystem/Filesystem.php
@@ -498,7 +498,9 @@ public function dumpFile($filename, $content, $mode = 0666)
 
         if (!is_dir($dir)) {
             $this->mkdir($dir);
-        } elseif (!is_writable($dir)) {
+        }
+
+        if (!is_writable($dir)) {
             throw new IOException(sprintf('Unable to write to the "%s" directory.', $dir), 0, null, $dir);
         }