diff --git a/lib/classes/registry.class.php b/lib/classes/registry.class.php
index 4e4bf39708..1ab18eecf4 100644
--- a/lib/classes/registry.class.php
+++ b/lib/classes/registry.class.php
@@ -63,12 +63,14 @@ class registry implements registryInterface
                     new \Alchemy\Phrasea\Core\Configuration\Parser\Yaml()
     );
     $configuration = new \Alchemy\Phrasea\Core\Configuration($handler);
-    $phraseanet = $configuration->getPhraseanet();
-    $this->cache->set('GV_RootPath', dirname(dirname(__DIR__)) . '/');
-    $this->cache->set('GV_ServerName', $phraseanet->get('servername'));
-    $this->cache->set('GV_debug', $configuration->isDebug());
-    $this->cache->set('GV_maintenance', $configuration->isMaintained());
 
+    $this->cache->set('GV_RootPath', dirname(dirname(__DIR__)) . '/');
+    if ($configuration->isInstalled())
+    {
+      $this->cache->set('GV_ServerName', $configuration->getPhraseanet()->get('servername'));
+      $this->cache->set('GV_debug', $configuration->isDebug());
+      $this->cache->set('GV_maintenance', $configuration->isMaintained());
+    }
     return $this;
   }