diff --git a/src/Symfony/Component/Finder/Finder.php b/src/Symfony/Component/Finder/Finder.php
index d2ea17d87a00..33a76cc976f8 100644
--- a/src/Symfony/Component/Finder/Finder.php
+++ b/src/Symfony/Component/Finder/Finder.php
@@ -744,6 +744,10 @@ private function searchInDirectory($dir)
      */
     private function normalizeDir($dir)
     {
+        if ('/' === $dir) {
+            return $dir;
+        }
+
         $dir = rtrim($dir, '/'.\DIRECTORY_SEPARATOR);
 
         if (preg_match('#^(ssh2\.)?s?ftp://#', $dir)) {
diff --git a/src/Symfony/Component/Finder/Iterator/RecursiveDirectoryIterator.php b/src/Symfony/Component/Finder/Iterator/RecursiveDirectoryIterator.php
index ab48a2b8a174..63764d407d30 100644
--- a/src/Symfony/Component/Finder/Iterator/RecursiveDirectoryIterator.php
+++ b/src/Symfony/Component/Finder/Iterator/RecursiveDirectoryIterator.php
@@ -74,7 +74,11 @@ public function current()
         }
         $subPathname .= $this->getFilename();
 
-        return new SplFileInfo($this->rootPath.$this->directorySeparator.$subPathname, $this->subPath, $subPathname);
+        if ('/' !== $basePath = $this->rootPath) {
+            $basePath .= $this->directorySeparator;
+        }
+
+        return new SplFileInfo($basePath.$subPathname, $this->subPath, $subPathname);
     }
 
     /**