diff --git a/src/Composer/Repository/Vcs/VcsDriver.php b/src/Composer/Repository/Vcs/VcsDriver.php
index 777a11ea0..686975c5f 100644
--- a/src/Composer/Repository/Vcs/VcsDriver.php
+++ b/src/Composer/Repository/Vcs/VcsDriver.php
@@ -44,6 +44,13 @@ abstract class VcsDriver implements VcsDriverInterface
      */
     final public function __construct(array $repoConfig, IOInterface $io, Config $config, ProcessExecutor $process = null, RemoteFilesystem $remoteFilesystem = null)
     {
+        
+        if (self::isLocalUrl($repoConfig['url'])) {
+            $repoConfig['url'] = realpath(
+                preg_replace('/^file:\/\//', '', $repoConfig['url'])
+            );
+        }
+        
         $this->url = $repoConfig['url'];
         $this->originUrl = $repoConfig['url'];
         $this->repoConfig = $repoConfig;