diff --git a/tests/Alchemy/Tests/Phrasea/Command/Setup/InstallTest.php b/tests/Alchemy/Tests/Phrasea/Command/Setup/InstallTest.php
index f05831d94b..f8e0a8b5a1 100644
--- a/tests/Alchemy/Tests/Phrasea/Command/Setup/InstallTest.php
+++ b/tests/Alchemy/Tests/Phrasea/Command/Setup/InstallTest.php
@@ -12,6 +12,21 @@ use Alchemy\Phrasea\Core\Configuration\StructureTemplate;
  */
 class InstallTest extends \PhraseanetTestCase
 {
+    private $bkp = null;
+
+    public function setUp()
+    {
+        parent::setUp();
+        $this->bkp = self::$DI['app']['conf']->get('main');
+    }
+
+    public function tearDown()
+    {
+        self::$DI['app']['conf']->set('main', $this->bkp);
+        parent::tearDown();
+    }
+
+
     public function testRunWithoutProblems()
     {
         $input = $this->getMock('Symfony\Component\Console\Input\InputInterface');