diff --git a/DependencyInjection/Configuration.php b/DependencyInjection/Configuration.php
index e096b1d..7c1a814 100644
--- a/DependencyInjection/Configuration.php
+++ b/DependencyInjection/Configuration.php
@@ -17,12 +17,10 @@ class Configuration implements ConfigurationInterface
      */
     public function getConfigTreeBuilder()
     {
-        $treeBuilder = new TreeBuilder();
-        $treeBuilder->root('coosos_user_role_type');
-
-        // Here you should define the parameters that are allowed to
-        // configure your bundle. See the documentation linked above for
-        // more information on that topic.
+        $treeBuilder = new TreeBuilder('coosos_user_role_type');
+        $rootNode = (method_exists($treeBuilder, 'getRootNode'))
+            ? $treeBuilder->getRootNode()
+            : $treeBuilder->root("coosos_user_role_type");
 
         return $treeBuilder;
     }