diff --git a/src/Symfony/Component/DependencyInjection/Tests/Compiler/ReplaceAliasByActualDefinitionPassTest.php b/src/Symfony/Component/DependencyInjection/Tests/Compiler/ReplaceAliasByActualDefinitionPassTest.php
index f5cd8a4f72..be58a1a175 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Compiler/ReplaceAliasByActualDefinitionPassTest.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Compiler/ReplaceAliasByActualDefinitionPassTest.php
@@ -59,8 +59,8 @@ class ReplaceAliasByActualDefinitionPassTest extends \PHPUnit_Framework_TestCase
     {
         $container = new ContainerBuilder();
 
-        $container->register('a', 'FooClass');
-        $container->register('b', 'FooClass')
+        $container->register('a', 'Bar\FooClass');
+        $container->register('b', 'Bar\FooClass')
             ->setFactoryService('a')
             ->setFactoryMethod('getInstance');
 
@@ -69,7 +69,7 @@ class ReplaceAliasByActualDefinitionPassTest extends \PHPUnit_Framework_TestCase
 
         $this->process($container);
 
-        $this->assertInstanceOf('FooClass', $container->get('b'));
+        $this->assertInstanceOf('Bar\FooClass', $container->get('b'));
     }
 
     /**