diff --git a/src/Symfony/Component/Filesystem/Filesystem.php b/src/Symfony/Component/Filesystem/Filesystem.php
index 382b07226a087..e2812f8e2252b 100644
--- a/src/Symfony/Component/Filesystem/Filesystem.php
+++ b/src/Symfony/Component/Filesystem/Filesystem.php
@@ -483,7 +483,7 @@ public function makePathRelative($endPath, $startPath)
 
         if ($endDriveLetter && $startDriveLetter && $endDriveLetter != $startDriveLetter) {
             // End path is on another drive, so no relative path exists
-            return $endDriveLetter.':/'. ($endPathArr ? implode('/', $endPathArr).'/' : '');
+            return $endDriveLetter.':/'.($endPathArr ? implode('/', $endPathArr).'/' : '');
         }
 
         // Find for which directory the common path stops