diff --git a/src/Symfony/Component/Filesystem/Filesystem.php b/src/Symfony/Component/Filesystem/Filesystem.php
index a63c5a313f..8ddddadcac 100644
--- a/src/Symfony/Component/Filesystem/Filesystem.php
+++ b/src/Symfony/Component/Filesystem/Filesystem.php
@@ -136,7 +136,9 @@ class Filesystem
             throw new \RuntimeException(sprintf('Cannot rename because the target "%s" already exist.', $target));
         }
 
-        rename($origin, $target);
+        if (false === rename($origin, $target)) {
+            throw new \RuntimeException(sprintf('Cannot rename "%s" to "%s".', $origin, $target));
+        }
     }
 
     /**