diff --git a/lib/Alchemy/Phrasea/Application.php b/lib/Alchemy/Phrasea/Application.php
index 9f7e32ca4f..bd1564b380 100644
--- a/lib/Alchemy/Phrasea/Application.php
+++ b/lib/Alchemy/Phrasea/Application.php
@@ -521,13 +521,15 @@ class Application extends SilexApplication
     private function setupUrlGenerator()
     {
         $this['url_generator'] = $this->share($this->extend('url_generator', function($urlGenerator, $app) {
-            $data = parse_url($app['phraseanet.configuration']['main']['servername']);
+            if ($app['phraseanet.configuration']->isSetup()) {
+                $data = parse_url($app['phraseanet.configuration']['main']['servername']);
 
-            if (isset($data['scheme'])) {
-                $urlGenerator->getContext()->setScheme($data['scheme']);
-            }
-            if (isset($data['host'])) {
-                $urlGenerator->getContext()->setHost($data['host']);
+                if (isset($data['scheme'])) {
+                    $urlGenerator->getContext()->setScheme($data['scheme']);
+                }
+                if (isset($data['host'])) {
+                    $urlGenerator->getContext()->setHost($data['host']);
+                }
             }
 
             return $urlGenerator;
diff --git a/lib/Alchemy/Phrasea/Core/Event/Subscriber/DebuggerSubscriber.php b/lib/Alchemy/Phrasea/Core/Event/Subscriber/DebuggerSubscriber.php
index 76e11186bc..e3166b18ee 100644
--- a/lib/Alchemy/Phrasea/Core/Event/Subscriber/DebuggerSubscriber.php
+++ b/lib/Alchemy/Phrasea/Core/Event/Subscriber/DebuggerSubscriber.php
@@ -41,7 +41,8 @@ class DebuggerSubscriber implements EventSubscriberInterface
             return;
         }
 
-        if (isset($this->app['phraseanet.configuration']['debugger'])
+        if ($this->app['phraseanet.configuration']->isSetup()
+            && isset($this->app['phraseanet.configuration']['debugger'])
             && isset($this->app['phraseanet.configuration']['debugger']['allowed-ips'])) {
 
             $allowedIps = $this->app['phraseanet.configuration']['debugger']['allowed-ips'];
diff --git a/lib/Alchemy/Phrasea/Core/Event/Subscriber/MaintenanceSubscriber.php b/lib/Alchemy/Phrasea/Core/Event/Subscriber/MaintenanceSubscriber.php
index 7d2aa4c617..aa5c7a8ddf 100644
--- a/lib/Alchemy/Phrasea/Core/Event/Subscriber/MaintenanceSubscriber.php
+++ b/lib/Alchemy/Phrasea/Core/Event/Subscriber/MaintenanceSubscriber.php
@@ -34,7 +34,7 @@ class MaintenanceSubscriber implements EventSubscriberInterface
 
     public function checkForMaintenance(GetResponseEvent $event)
     {
-        if ($this->app['phraseanet.configuration']['main']['maintenance']) {
+        if ($this->app['phraseanet.configuration']->isSetup() && $this->app['phraseanet.configuration']['main']['maintenance']) {
             $this->app->abort(503, 'Service Temporarily Unavailable', array('Retry-After' => 3600));
         }
     }
diff --git a/lib/Alchemy/Phrasea/Core/Event/Subscriber/PersistentCookieSubscriber.php b/lib/Alchemy/Phrasea/Core/Event/Subscriber/PersistentCookieSubscriber.php
index 3a4a31c575..76b6be59d6 100644
--- a/lib/Alchemy/Phrasea/Core/Event/Subscriber/PersistentCookieSubscriber.php
+++ b/lib/Alchemy/Phrasea/Core/Event/Subscriber/PersistentCookieSubscriber.php
@@ -36,7 +36,7 @@ class PersistentCookieSubscriber implements EventSubscriberInterface
     {
         $request = $event->getRequest();
 
-        if ($request->cookies->has('persistent') && !$this->app['authentication']->isAuthenticated()) {
+        if ($this->app['phraseanet.configuration']->isSetup() && $request->cookies->has('persistent') && !$this->app['authentication']->isAuthenticated()) {
             if (false !== $session = $this->app['authentication.persistent-manager']->getSession($request->cookies->get('persistent'))) {
                 $this->app['authentication']->refreshAccount($session);
             }
diff --git a/lib/Alchemy/Phrasea/Core/Event/Subscriber/TrustedProxySubscriber.php b/lib/Alchemy/Phrasea/Core/Event/Subscriber/TrustedProxySubscriber.php
index 198c74767a..8be4c78530 100644
--- a/lib/Alchemy/Phrasea/Core/Event/Subscriber/TrustedProxySubscriber.php
+++ b/lib/Alchemy/Phrasea/Core/Event/Subscriber/TrustedProxySubscriber.php
@@ -35,6 +35,10 @@ class TrustedProxySubscriber implements EventSubscriberInterface
 
     public function setProxyConf(GetResponseEvent $event)
     {
+        if (!$this->configuration->isSetup()) {
+            return;
+        }
+
         $proxies = isset($this->configuration['trusted-proxies']) ? $this->configuration['trusted-proxies'] : array();
         Request::setTrustedProxies($proxies);
     }
diff --git a/lib/Alchemy/Phrasea/Core/Event/Subscriber/XSendFileSubscriber.php b/lib/Alchemy/Phrasea/Core/Event/Subscriber/XSendFileSubscriber.php
index d6aff6bc14..edaaea3be2 100644
--- a/lib/Alchemy/Phrasea/Core/Event/Subscriber/XSendFileSubscriber.php
+++ b/lib/Alchemy/Phrasea/Core/Event/Subscriber/XSendFileSubscriber.php
@@ -35,6 +35,10 @@ class XSendFileSubscriber implements EventSubscriberInterface
 
     public function applyHeaders(GetResponseEvent $event)
     {
+        if (!$this->app['phraseanet.configuration']->isSetup()) {
+            return;
+        }
+
         if ($this->app['phraseanet.xsendfile-factory']->isXSendFileModeEnabled()) {
             BinaryFileResponse::trustXSendfileTypeHeader();
             $this->app['phraseanet.xsendfile-factory']->getMode()->setHeaders($event->getRequest());
diff --git a/tests/Alchemy/Tests/Phrasea/ApplicationTest.php b/tests/Alchemy/Tests/Phrasea/ApplicationTest.php
index 458e63b62a..ac110887e0 100644
--- a/tests/Alchemy/Tests/Phrasea/ApplicationTest.php
+++ b/tests/Alchemy/Tests/Phrasea/ApplicationTest.php
@@ -294,6 +294,9 @@ class ApplicationTest extends \PhraseanetPHPUnitAbstract
     {
         $app = new Application('test');
         $app['phraseanet.configuration'] = $this->getMock('Alchemy\Phrasea\Core\Configuration\ConfigurationInterface');
+        $app['phraseanet.configuration']->expects($this->once())
+            ->method('isSetup')
+            ->will($this->returnValue(true));
         $app['phraseanet.configuration']->expects($this->once())
             ->method('offsetGet')
             ->with('main')
diff --git a/tests/Alchemy/Tests/Phrasea/Core/Event/Subscriber/TrustedProxySubscriberTest.php b/tests/Alchemy/Tests/Phrasea/Core/Event/Subscriber/TrustedProxySubscriberTest.php
index 4e1e9dcdad..45d8f06f4b 100644
--- a/tests/Alchemy/Tests/Phrasea/Core/Event/Subscriber/TrustedProxySubscriberTest.php
+++ b/tests/Alchemy/Tests/Phrasea/Core/Event/Subscriber/TrustedProxySubscriberTest.php
@@ -19,6 +19,9 @@ class TrustedProxySubscriberTest extends \PHPUnit_Framework_TestCase
     public function testAllowedIpsAreSetAsArray()
     {
         $configuration = $this->getConfigurationMock();
+        $configuration->expects($this->once())
+            ->method('isSetup')
+            ->will($this->returnValue(true));
         $configuration->expects($this->once())
             ->method('offsetGet')
             ->with('trusted-proxies')
@@ -45,6 +48,9 @@ class TrustedProxySubscriberTest extends \PHPUnit_Framework_TestCase
     public function testAllowedIpsAreSetWhenEmpty()
     {
         $configuration = $this->getConfigurationMock();
+        $configuration->expects($this->once())
+            ->method('isSetup')
+            ->will($this->returnValue(true));
         $configuration->expects($this->once())
             ->method('offsetExists')
             ->with('trusted-proxies')