diff --git a/src/Composer/Package/Version/VersionParser.php b/src/Composer/Package/Version/VersionParser.php
index 1112856a1..9ace8c261 100644
--- a/src/Composer/Package/Version/VersionParser.php
+++ b/src/Composer/Package/Version/VersionParser.php
@@ -76,7 +76,7 @@ class VersionParser
 
         // if source reference is a sha1 hash -- truncate
         if ($truncate && strlen($package->getSourceReference()) === 40) {
-            return $package->getPrettyVersion() . ' ' . substr($package->getSourceReference(), 0, 6);
+            return $package->getPrettyVersion() . ' ' . substr($package->getSourceReference(), 0, 7);
         }
 
         return $package->getPrettyVersion() . ' ' . $package->getSourceReference();
diff --git a/tests/Composer/Test/Package/Version/VersionParserTest.php b/tests/Composer/Test/Package/Version/VersionParserTest.php
index 40ed12fd8..f33e02f83 100644
--- a/tests/Composer/Test/Package/Version/VersionParserTest.php
+++ b/tests/Composer/Test/Package/Version/VersionParserTest.php
@@ -21,9 +21,6 @@ class VersionParserTest extends \PHPUnit_Framework_TestCase
 {
     /**
      * @dataProvider formattedVersions
-     *
-     * @param \Composer\Package\PackageInterface $package
-     * @param string $expected
      */
     public function testFormatVersionForDevPackage(PackageInterface $package, $truncate, $expected)
     {
@@ -33,10 +30,26 @@ class VersionParserTest extends \PHPUnit_Framework_TestCase
     public function formattedVersions()
     {
         $data = array(
-            array('sourceReference' => 'v2.1.0-RC2', 'truncate' => true, 'expected' => 'PrettyVersion v2.1.0-RC2'),
-            array('sourceReference' => 'bbf527a27356414bfa9bf520f018c5cb7af67c77', 'truncate' => true, 'expected' => 'PrettyVersion bbf527'),
-            array('sourceReference' => 'v1.0.0', 'truncate' => false, 'expected' => 'PrettyVersion v1.0.0'),
-            array('sourceReference' => 'bbf527a27356414bfa9bf520f018c5cb7af67c77', 'truncate' => false, 'expected' => 'PrettyVersion bbf527a27356414bfa9bf520f018c5cb7af67c77'),
+            array(
+                'sourceReference' => 'v2.1.0-RC2',
+                'truncate' => true,
+                'expected' => 'PrettyVersion v2.1.0-RC2'
+            ),
+            array(
+                'sourceReference' => 'bbf527a27356414bfa9bf520f018c5cb7af67c77',
+                'truncate' => true,
+                'expected' => 'PrettyVersion bbf527a'
+            ),
+            array(
+                'sourceReference' => 'v1.0.0',
+                'truncate' => false,
+                'expected' => 'PrettyVersion v1.0.0'
+            ),
+            array(
+                'sourceReference' => 'bbf527a27356414bfa9bf520f018c5cb7af67c77',
+                'truncate' => false,
+                'expected' => 'PrettyVersion bbf527a27356414bfa9bf520f018c5cb7af67c77'
+            ),
         );
 
         $self = $this;