diff --git a/src/Composer/Repository/Vcs/GitDriver.php b/src/Composer/Repository/Vcs/GitDriver.php
index b6459ce2e..79e3ae0aa 100644
--- a/src/Composer/Repository/Vcs/GitDriver.php
+++ b/src/Composer/Repository/Vcs/GitDriver.php
@@ -116,9 +116,7 @@ class GitDriver extends VcsDriver
      */
     public function getSource($identifier)
     {
-        $label = array_search($identifier, (array) $this->tags) ?: $identifier;
-
-        return array('type' => 'git', 'url' => $this->getUrl(), 'reference' => $label);
+        return array('type' => 'git', 'url' => $this->getUrl(), 'reference' => $identifier);
     }
 
     /**
diff --git a/tests/Composer/Test/Repository/Vcs/GitHubDriverTest.php b/tests/Composer/Test/Repository/Vcs/GitHubDriverTest.php
index 1f1bb963f..3783fd06d 100644
--- a/tests/Composer/Test/Repository/Vcs/GitHubDriverTest.php
+++ b/tests/Composer/Test/Repository/Vcs/GitHubDriverTest.php
@@ -101,25 +101,15 @@ class GitHubDriverTest extends \PHPUnit_Framework_TestCase
 
         $this->assertEquals('test_master', $gitHubDriver->getRootIdentifier());
 
-        $dist = $gitHubDriver->getDist($identifier);
-        $this->assertEquals('zip', $dist['type']);
-        $this->assertEquals('https://api.github.com/repos/composer/packagist/zipball/v0.0.0', $dist['url']);
-        $this->assertEquals('v0.0.0', $dist['reference']);
-
-        $source = $gitHubDriver->getSource($identifier);
-        $this->assertEquals('git', $source['type']);
-        $this->assertEquals($repoSshUrl, $source['url']);
-        $this->assertEquals('v0.0.0', $source['reference']);
-
         $dist = $gitHubDriver->getDist($sha);
         $this->assertEquals('zip', $dist['type']);
-        $this->assertEquals('https://api.github.com/repos/composer/packagist/zipball/v0.0.0', $dist['url']);
-        $this->assertEquals('v0.0.0', $dist['reference']);
+        $this->assertEquals('https://api.github.com/repos/composer/packagist/zipball/SOMESHA', $dist['url']);
+        $this->assertEquals('SOMESHA', $dist['reference']);
 
         $source = $gitHubDriver->getSource($sha);
         $this->assertEquals('git', $source['type']);
         $this->assertEquals($repoSshUrl, $source['url']);
-        $this->assertEquals('v0.0.0', $source['reference']);
+        $this->assertEquals('SOMESHA', $source['reference']);
     }
 
     public function testPublicRepository()
@@ -154,25 +144,15 @@ class GitHubDriverTest extends \PHPUnit_Framework_TestCase
 
         $this->assertEquals('test_master', $gitHubDriver->getRootIdentifier());
 
-        $dist = $gitHubDriver->getDist($identifier);
-        $this->assertEquals('zip', $dist['type']);
-        $this->assertEquals('https://api.github.com/repos/composer/packagist/zipball/v0.0.0', $dist['url']);
-        $this->assertEquals($identifier, $dist['reference']);
-
-        $source = $gitHubDriver->getSource($identifier);
-        $this->assertEquals('git', $source['type']);
-        $this->assertEquals($repoUrl, $source['url']);
-        $this->assertEquals($identifier, $source['reference']);
-
         $dist = $gitHubDriver->getDist($sha);
         $this->assertEquals('zip', $dist['type']);
-        $this->assertEquals('https://api.github.com/repos/composer/packagist/zipball/v0.0.0', $dist['url']);
-        $this->assertEquals($identifier, $dist['reference']);
+        $this->assertEquals('https://api.github.com/repos/composer/packagist/zipball/SOMESHA', $dist['url']);
+        $this->assertEquals($sha, $dist['reference']);
 
         $source = $gitHubDriver->getSource($sha);
         $this->assertEquals('git', $source['type']);
         $this->assertEquals($repoUrl, $source['url']);
-        $this->assertEquals($identifier, $source['reference']);
+        $this->assertEquals($sha, $source['reference']);
     }
 
     public function testPublicRepository2()
@@ -217,25 +197,15 @@ class GitHubDriverTest extends \PHPUnit_Framework_TestCase
 
         $this->assertEquals('test_master', $gitHubDriver->getRootIdentifier());
 
-        $dist = $gitHubDriver->getDist($identifier);
-        $this->assertEquals('zip', $dist['type']);
-        $this->assertEquals('https://api.github.com/repos/composer/packagist/zipball/feature/3.2-foo', $dist['url']);
-        $this->assertEquals($identifier, $dist['reference']);
-
-        $source = $gitHubDriver->getSource($identifier);
-        $this->assertEquals('git', $source['type']);
-        $this->assertEquals($repoUrl, $source['url']);
-        $this->assertEquals($identifier, $source['reference']);
-
         $dist = $gitHubDriver->getDist($sha);
         $this->assertEquals('zip', $dist['type']);
-        $this->assertEquals('https://api.github.com/repos/composer/packagist/zipball/feature/3.2-foo', $dist['url']);
-        $this->assertEquals($identifier, $dist['reference']);
+        $this->assertEquals('https://api.github.com/repos/composer/packagist/zipball/SOMESHA', $dist['url']);
+        $this->assertEquals($sha, $dist['reference']);
 
         $source = $gitHubDriver->getSource($sha);
         $this->assertEquals('git', $source['type']);
         $this->assertEquals($repoUrl, $source['url']);
-        $this->assertEquals($identifier, $source['reference']);
+        $this->assertEquals($sha, $source['reference']);
 
         $gitHubDriver->getComposerInformation($identifier);
     }