diff --git a/Bridge/ElFinderBridge.php b/Bridge/ElFinderBridge.php
index fdc0ff3..33da06b 100644
--- a/Bridge/ElFinderBridge.php
+++ b/Bridge/ElFinderBridge.php
@@ -3,6 +3,7 @@
 namespace FM\ElfinderBundle\Bridge;
 
 use FM\ElFinderPHP\ElFinder;
+use FM\ElFinderPHP\Driver\ElFinderVolumeDriver;
 
 /**
  * Class ElFinderBridge
@@ -21,7 +22,7 @@ protected function mountVolumes($opts)
             $volume = null;
             if (isset($o['service'])) {
                 $driver = $o['service'];
-                if (is_object($driver) && $driver instanceof \FM\ElFinderPHP\Driver\ElFinderVolumeDriver) {
+                if (is_object($driver) && $driver instanceof ElFinderVolumeDriver) {
                     $volume = $driver;
                     unset($opts['roots'][$i]);
                 }
diff --git a/Configuration/ElFinderConfigurationReader.php b/Configuration/ElFinderConfigurationReader.php
index 3f90fc3..7b72543 100644
--- a/Configuration/ElFinderConfigurationReader.php
+++ b/Configuration/ElFinderConfigurationReader.php
@@ -3,6 +3,7 @@
 namespace FM\ElfinderBundle\Configuration;
 
 use FM\ElfinderBundle\Model\ElFinderConfigurationProviderInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\RequestStack;
 
@@ -27,14 +28,20 @@ class ElFinderConfigurationReader implements ElFinderConfigurationProviderInterf
      */
     protected $requestStack;
 
+    /**
+     * @var ContainerInterface
+     */
+    protected $container;
+
     /**
      * @param $parameters
      * @param \Symfony\Component\HttpFoundation\RequestStack $requestStack
      */
-    public function __construct($parameters, RequestStack $requestStack)
+    public function __construct($parameters, RequestStack $requestStack, ContainerInterface $container)
     {
         $this->parameters = $parameters;
         $this->requestStack = $requestStack;
+        $this->container = $container;
     }
 
     /**
@@ -53,7 +60,7 @@ public function getConfiguration($instance)
         foreach ($parameters['connector']['roots'] as $parameter) {
             $path = $parameter['path'];
 
-            $driver = isset($parameter['driver']) ? $parameter['driver'] : null;
+            $driver = $this->container->has($parameter['driver']) ? $this->container->get($parameter['driver']) : null;
 
             $driverOptions = array(
                 'driver'        => $parameter['driver'],
diff --git a/Controller/ElFinderController.php b/Controller/ElFinderController.php
index fb586dc..e41f624 100644
--- a/Controller/ElFinderController.php
+++ b/Controller/ElFinderController.php
@@ -17,7 +17,8 @@ class ElFinderController extends Controller
 
     /**
      * Renders Elfinder
-     * @param  string   $instance
+     * @param Request $request
+     * @param  string $instance
      * @return Response
      */
     public function showAction(Request $request, $instance)
@@ -32,6 +33,7 @@ public function showAction(Request $request, $instance)
     /**
      * @param $parameters
      * @param $instance
+     * @param null $formTypeId
      * @return array
      */
     private function selectEditor($parameters, $instance, $formTypeId = null)
@@ -39,6 +41,7 @@ private function selectEditor($parameters, $instance, $formTypeId = null)
         $editor = $parameters['editor'];
         $locale = $parameters['locale'] ?: $this->container->getParameter('locale');
         $fullscreen = $parameters['fullscreen'];
+        $relativePath = $parameters['relative_path'];
         $includeAssets = $parameters['include_assets'];
         $compression = $parameters['compression'];
         $prefix = ($compression ? '/compressed' : '');
@@ -78,7 +81,8 @@ private function selectEditor($parameters, $instance, $formTypeId = null)
                     'fullscreen' => $fullscreen,
                     'includeAssets' => $includeAssets,
                     'instance' => $instance,
-                    'id'=>$formTypeId
+                    'id' => $formTypeId,
+                    'relative_path' => $relativePath
                 );
                 return $result;
             default:
diff --git a/DependencyInjection/Configuration.php b/DependencyInjection/Configuration.php
index 51df1b5..7d6b813 100644
--- a/DependencyInjection/Configuration.php
+++ b/DependencyInjection/Configuration.php
@@ -39,6 +39,7 @@ public function getConfigTreeBuilder()
                             ->booleanNode('include_assets')->defaultTrue()->end()
                             ->scalarNode('tinymce_popup_path')->defaultValue('')->end()
                             ->booleanNode('enableUserIntegration')->defaultFalse()->end()
+                            ->booleanNode('relative_path')->defaultTrue()->end()
                             ->arrayNode('connector')
                                 ->addDefaultsIfNotSet()
                                 ->children()
@@ -50,10 +51,6 @@ public function getConfigTreeBuilder()
                                             ->children()
                                                 ->scalarNode('driver')
                                                     ->isRequired()
-                                                    ->validate()
-                                                    ->ifNotInArray(array('LocalFileSystem', 'FTP', 'FTPIIS', 'Dropbox', 'S3'))
-                                                        ->thenInvalid('Invalid filesystem driver "%s"')
-                                                    ->end()
                                                     ->defaultValue('LocalFileSystem')->end()
                                                 ->arrayNode('disabled')
                                                     ->prototype('scalar')->end()
@@ -65,7 +62,6 @@ public function getConfigTreeBuilder()
                                                 ->scalarNode('alias')->defaultValue('')->end()
                                                 ->integerNode('treeDeep')->defaultValue(0)->end()
                                                 ->scalarNode('accessControl')->defaultNull()->end()
-                                                ->booleanNode('enableUserIntegration')->defaultFalse()->end()
                                                 ->arrayNode('upload_allow')
                                                     ->prototype('scalar')->end()
                                                     ->defaultValue(array('image'))
diff --git a/Resources/config/elfinder.xml b/Resources/config/elfinder.xml
index f07f9e2..baa0fcb 100644
--- a/Resources/config/elfinder.xml
+++ b/Resources/config/elfinder.xml
@@ -12,6 +12,7 @@
         <service id="fm_elfinder.configurator.default" class="%fm_elfinder.configurator%">
             <argument>%fm_elfinder%</argument>
             <argument type="service" id="request_stack"/>
+            <argument type="service" id="service_container"/>
         </service>
         <service id="fm_elfinder.loader" class="FM\ElfinderBundle\Loader\ElFinderLoader">
             <argument type="service" id="fm_elfinder.configurator"/>
diff --git a/Resources/views/Elfinder/elfinder_type.html.twig b/Resources/views/Elfinder/elfinder_type.html.twig
index 393a234..7ab3880 100644
--- a/Resources/views/Elfinder/elfinder_type.html.twig
+++ b/Resources/views/Elfinder/elfinder_type.html.twig
@@ -15,7 +15,11 @@
             url : '{{path('ef_connect', { 'instance': instance } )}}',
             lang : '{{locale}}',
             getFileCallback: function(file) {
-                window.opener.setValue(file.path, "{{ id }}");
+                {% if relative_path %}
+                    window.opener.setValue(file.path, "{{ id }}");
+                {% else %}
+                    window.opener.setValue(file.url, "{{ id }}");
+                {% endif %}
                 window.close();
             }
         });