diff --git a/backend/bin/doctrine.php b/backend/bin/doctrine.php
index b906d45..90aef89 100644
--- a/backend/bin/doctrine.php
+++ b/backend/bin/doctrine.php
@@ -27,23 +27,22 @@
 use Volkszaehler\Util;
 
 // TODO replace by state class
-const BACKEND_DIR = '/home/steffen/workspace/volkszaehler.org/backend';
-const DEV_ENV = TRUE;
+const VZ_BACKEND_DIR = '/home/steffen/workspace/volkszaehler.org/backend';
 
 // class autoloading
-require BACKEND_DIR . '/lib/Util/ClassLoader.php';
+require VZ_BACKEND_DIR . '/lib/Util/ClassLoader.php';
 
 $classLoaders = array();
-$classLoaders[] = new Volkszaehler\Util\ClassLoader('Doctrine', BACKEND_DIR . '/lib/vendor/Doctrine');
-$classLoaders[] = new Volkszaehler\Util\ClassLoader('Symfony', BACKEND_DIR . '/lib/vendor/Symfony');
-$classLoaders[] = new Volkszaehler\Util\ClassLoader('Volkszaehler', BACKEND_DIR . '/lib');
+$classLoaders[] = new Volkszaehler\Util\ClassLoader('Doctrine', VZ_BACKEND_DIR . '/lib/vendor/Doctrine');
+$classLoaders[] = new Volkszaehler\Util\ClassLoader('Symfony', VZ_BACKEND_DIR . '/lib/vendor/Symfony');
+$classLoaders[] = new Volkszaehler\Util\ClassLoader('Volkszaehler', VZ_BACKEND_DIR . '/lib');
 
 foreach ($classLoaders as $loader) {
 	$loader->register(); // register on SPL autoload stack
 }
 
 // load configuration
-Util\Configuration::load(BACKEND_DIR . '/volkszaehler.conf');
+Util\Configuration::load(VZ_BACKEND_DIR . '/volkszaehler.conf');
 
 $em = Volkszaehler\Dispatcher::createEntityManager();
 
@@ -52,8 +51,9 @@ $helperSet = new \Symfony\Component\Console\Helper\HelperSet(array(
 	'em' => new \Doctrine\ORM\Tools\Console\Helper\EntityManagerHelper($em)
 ));
 
+
 $cli = new \Symfony\Component\Console\Application('Doctrine Command Line Interface', Doctrine\ORM\Version::VERSION);
-$cli->setCatchExceptions(TRUE);
+$cli->setCatchExceptions(true);
 $cli->setHelperSet($helperSet);
 $cli->addCommands(array(
 	// DBAL Commands
@@ -74,7 +74,7 @@ $cli->addCommands(array(
 	new \Doctrine\ORM\Tools\Console\Command\GenerateProxiesCommand(),
 	new \Doctrine\ORM\Tools\Console\Command\ConvertMappingCommand(),
 	new \Doctrine\ORM\Tools\Console\Command\RunDqlCommand(),
-	new \Doctrine\ORM\Tools\Console\Command\ValidateSchemaCommand(),
+	new \Doctrine\ORM\Tools\Console\Command\ValidateSchemaCommand()
 ));
 $cli->run();
 
diff --git a/backend/index.php b/backend/index.php
index b9cc606..0cf7d98 100644
--- a/backend/index.php
+++ b/backend/index.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * Backend bootstrapping entrypoint
+ * Backend bootstrap entrypoint
  *
  * @author Steffen Vogel <info@steffenvogel.de>
  * @copyright Copyright (c) 2010, The volkszaehler.org project
@@ -29,6 +29,9 @@ namespace Volkszaehler;
 use Volkszaehler\Util;
 use Volkszaehler\Controller;
 
+// enable strict error reporting
+error_reporting(E_ALL);
+
 // TODO replace by state class
 define('VZ_VERSION', 0.2);
 define('VZ_DIR', realpath(__DIR__ . '/..'));
@@ -39,17 +42,14 @@ define('DEV_ENV', TRUE);
 require VZ_BACKEND_DIR . '/lib/Util/ClassLoader.php';
 
 $classLoaders = array();
-$classLoaders[] = new Util\ClassLoader('Doctrine', VZ_BACKEND_DIR . '/lib/vendor/Doctrine');
-$classLoaders[] = new Util\ClassLoader('Symfony', VZ_BACKEND_DIR . '/lib/vendor/Symfony');
 $classLoaders[] = new Util\ClassLoader('Volkszaehler', VZ_BACKEND_DIR . '/lib');
+$classLoaders[] = new Util\ClassLoader('Doctrine', VZ_BACKEND_DIR . '/lib/vendor/Doctrine');
+//$classLoaders[] = new Util\ClassLoader('Symfony', VZ_BACKEND_DIR . '/lib/vendor/Symfony'); // only required for the cli
 
 foreach ($classLoaders as $loader) {
 	$loader->register(); // register on SPL autoload stack
 }
 
-// enable strict error reporting
-error_reporting(E_ALL);
-
 Util\Configuration::load(VZ_BACKEND_DIR . '/volkszaehler.conf');
 
 $fc = new Dispatcher;	// spawn frontcontroller / dispatcher
diff --git a/index.php b/index.php
index 8e6d97c..7f28e55 100644
--- a/index.php
+++ b/index.php
@@ -24,6 +24,6 @@
  * along with volkszaehler.org. If not, see <http://www.gnu.org/licenses/>.
  */
 
-header('Location: frontend');
+header('Location: frontend/');
 
 ?>