diff --git a/src/Composer/Repository/PlatformRepository.php b/src/Composer/Repository/PlatformRepository.php
index 6ee05ca60..9b0df0fb6 100644
--- a/src/Composer/Repository/PlatformRepository.php
+++ b/src/Composer/Repository/PlatformRepository.php
@@ -12,6 +12,7 @@
 
 namespace Composer\Repository;
 
+use Composer\Composer;
 use Composer\Package\CompletePackage;
 use Composer\Package\PackageInterface;
 use Composer\Package\Version\VersionParser;
diff --git a/tests/Composer/Test/Package/Loader/ValidatingArrayLoaderTest.php b/tests/Composer/Test/Package/Loader/ValidatingArrayLoaderTest.php
index e1e06d660..2c633e76b 100644
--- a/tests/Composer/Test/Package/Loader/ValidatingArrayLoaderTest.php
+++ b/tests/Composer/Test/Package/Loader/ValidatingArrayLoaderTest.php
@@ -86,6 +86,7 @@ class ValidatingArrayLoaderTest extends TestCase
                         'a/b' => '1.*',
                         'b/c' => '~2',
                         'example' => '>2.0-dev,<2.4-dev',
+                        'composer-runtime-api' => '*',
                     ),
                     'require-dev' => array(
                         'a/b' => '1.*',