diff --git a/DependencyInjection/Configuration.php b/DependencyInjection/Configuration.php
index ab10a64..2b17ec1 100755
--- a/DependencyInjection/Configuration.php
+++ b/DependencyInjection/Configuration.php
@@ -41,6 +41,9 @@ public function getConfigTreeBuilder()
                         ->end()
                     ->end()
                 ->end()
+                ->scalarNode('category_root_id')
+                    ->defaultValue('root_id')
+                ->end()
                 ->arrayNode('snippet')
                     ->cannotBeOverwritten()
                     ->addDefaultsIfNotSet()
diff --git a/DependencyInjection/ONGRContentExtension.php b/DependencyInjection/ONGRContentExtension.php
index 6e1f299..964296a 100644
--- a/DependencyInjection/ONGRContentExtension.php
+++ b/DependencyInjection/ONGRContentExtension.php
@@ -46,6 +46,7 @@ public function load(array $configs, ContainerBuilder $container)
 
         $categoryService = $container->getDefinition('ongr_content.category_service');
         $categoryService->addArgument(new Reference($repositories['category']));
+        $categoryService->addArgument($config['category_root_id']);
 
         $container->setParameter('ongr_content.snippet.render_strategy', $config['snippet']['render_strategy']);
     }
diff --git a/Service/CategoryService.php b/Service/CategoryService.php
index 3eca189..c957828 100755
--- a/Service/CategoryService.php
+++ b/Service/CategoryService.php
@@ -24,13 +24,16 @@
  */
 class CategoryService
 {
-    const ROOT_CATEGORY_ID = 'category_root_id';
-
     /**
      * @var Repository
      */
     private $repository;
 
+    /**
+     * @var string
+     */
+    private $rootId;
+
     /**
      * @var array
      */
@@ -58,10 +61,12 @@ class CategoryService
 
     /**
      * @param Repository $repository
+     * @param string     $rootId
      */
-    public function __construct(Repository $repository)
+    public function __construct(Repository $repository, $rootId)
     {
         $this->repository = $repository;
+        $this->rootId = $rootId;
     }
 
     /**
@@ -148,7 +153,7 @@ private function buildNode($node, $references, $tree, $maxLevel)
 
         $references[$node->getId()] = $node;
 
-        if ($node->getParentId() == self::ROOT_CATEGORY_ID) {
+        if ($node->getParentId() == $this->rootId) {
             $this->buildRootNode($node, $tree, 1);
         } else {
             $this->buildChildNode($node, $references, $maxLevel);
diff --git a/Tests/Unit/Service/CategoryServiceTest.php b/Tests/Unit/Service/CategoryServiceTest.php
index cd2046c..3154852 100644
--- a/Tests/Unit/Service/CategoryServiceTest.php
+++ b/Tests/Unit/Service/CategoryServiceTest.php
@@ -20,6 +20,11 @@
  */
 class CategoryServiceTest extends ElasticsearchTestCase
 {
+    /**
+     * @var string
+     */
+    private $rootId = 'root_id';
+
     /**
      * {@inheritdoc}
      */
@@ -33,7 +38,7 @@ protected function getDataArray()
                         'is_active' => true,
                         'sort' => 1,
                         'left' => 2,
-                        'parent_id' => CategoryService::ROOT_CATEGORY_ID,
+                        'parent_id' => $this->rootId,
                         'level' => 1,
                         'is_hidden' => false,
                     ],
@@ -42,7 +47,7 @@ protected function getDataArray()
                         'is_active' => true,
                         'sort' => 2,
                         'left' => 8,
-                        'parent_id' => CategoryService::ROOT_CATEGORY_ID,
+                        'parent_id' => $this->rootId,
                         'level' => 1,
                         'is_hidden' => false,
                     ],
@@ -51,7 +56,7 @@ protected function getDataArray()
                         'is_active' => true,
                         'sort' => 1,
                         'left' => 1,
-                        'parent_id' => CategoryService::ROOT_CATEGORY_ID,
+                        'parent_id' => $this->rootId,
                         'level' => 1,
                         'is_current' => true,
                         'is_expanded' => true,
@@ -62,7 +67,7 @@ protected function getDataArray()
                         'is_active' => true,
                         'sort' => 1,
                         'left' => 3,
-                        'parent_id' => CategoryService::ROOT_CATEGORY_ID,
+                        'parent_id' => $this->rootId,
                         'level' => 1,
                         'is_hidden' => false,
                     ],
@@ -107,7 +112,7 @@ protected function getDataArray()
                         'is_active' => true,
                         'sort' => 1,
                         'left' => 3,
-                        'parent_id' => CategoryService::ROOT_CATEGORY_ID,
+                        'parent_id' => $this->rootId,
                         'level' => 1,
                         'is_hidden' => false,
                     ],
@@ -116,7 +121,7 @@ protected function getDataArray()
                         'is_active' => true,
                         'sort' => 1,
                         'left' => 9,
-                        'parent_id' => CategoryService::ROOT_CATEGORY_ID,
+                        'parent_id' => $this->rootId,
                         'level' => 1,
                         'is_hidden' => false,
                     ],
@@ -153,7 +158,7 @@ public function testSetGetCurrentCategoryId()
     {
         $repository = $this->getManager()->getRepository('AcmeTestBundle:Category');
 
-        $service = new CategoryService($repository);
+        $service = new CategoryService($repository, $this->rootId);
         $service->setRepository($repository);
 
         $id = 'testid';
@@ -198,7 +203,7 @@ public function treeDataProvider()
                 'is_active' => true,
                 'sort' => 1,
                 'left' => 2,
-                'parent_id' => CategoryService::ROOT_CATEGORY_ID,
+                'parent_id' => $this->rootId,
                 'level' => 1,
                 'is_hidden' => false,
             ],
@@ -207,7 +212,7 @@ public function treeDataProvider()
                 'is_active' => true,
                 'sort' => 2,
                 'left' => 8,
-                'parent_id' => CategoryService::ROOT_CATEGORY_ID,
+                'parent_id' => $this->rootId,
                 'level' => 1,
                 'is_hidden' => false,
             ],
@@ -216,7 +221,7 @@ public function treeDataProvider()
                 'is_active' => true,
                 'sort' => 1,
                 'left' => 1,
-                'parent_id' => CategoryService::ROOT_CATEGORY_ID,
+                'parent_id' => $this->rootId,
                 'level' => 1,
                 'is_current' => true,
                 'is_expanded' => true,
@@ -227,7 +232,7 @@ public function treeDataProvider()
                 'is_active' => true,
                 'sort' => 1,
                 'left' => 3,
-                'parent_id' => CategoryService::ROOT_CATEGORY_ID,
+                'parent_id' => $this->rootId,
                 'level' => 1,
                 'is_hidden' => false,
             ],
@@ -272,7 +277,7 @@ public function treeDataProvider()
                 'is_active' => true,
                 'sort' => 1,
                 'left' => 3,
-                'parent_id' => CategoryService::ROOT_CATEGORY_ID,
+                'parent_id' => $this->rootId,
                 'level' => 1,
                 'is_hidden' => false,
             ],
@@ -281,7 +286,7 @@ public function treeDataProvider()
                 'is_active' => true,
                 'sort' => 1,
                 'left' => 9,
-                'parent_id' => CategoryService::ROOT_CATEGORY_ID,
+                'parent_id' => $this->rootId,
                 'level' => 1,
                 'is_hidden' => false,
             ],
@@ -293,7 +298,7 @@ public function treeDataProvider()
             $data[$category['id']] = $this->buildCategory($category);
         }
         foreach ($catData as $category) {
-            if ($category['parent_id'] == CategoryService::ROOT_CATEGORY_ID) {
+            if ($category['parent_id'] == $this->rootId) {
                 continue;
             }
             $data[$category['id']]->setParent($data[$category['parent_id']]);
@@ -314,7 +319,7 @@ public function testGetTree(array $data)
     {
         $repository = $this->getManager()->getRepository('AcmeTestBundle:Category');
 
-        $service = new CategoryService($repository);
+        $service = new CategoryService($repository, $this->rootId);
 
         $service->setCurrentCategoryId('cat3');
         $service->getCurrentCategoryDocument();
@@ -345,7 +350,7 @@ public function testGetTree(array $data)
      */
     public function testGetCurrentCategoryDocument(array $data)
     {
-        $service = new CategoryService($this->getManager()->getRepository('AcmeTestBundle:Category'));
+        $service = new CategoryService($this->getManager()->getRepository('AcmeTestBundle:Category'), $this->rootId);
         $service->setCurrentCategoryId('cat42');
 
         $leaf = $service->getCurrentCategoryDocument();
@@ -378,7 +383,7 @@ public function getPartialTreeDataProvider()
                 'is_active' => true,
                 'sort' => 1,
                 'left' => 2,
-                'parent_id' => CategoryService::ROOT_CATEGORY_ID,
+                'parent_id' => $this->rootId,
                 'level' => 1,
             ]
         );
@@ -405,7 +410,7 @@ public function getPartialTreeDataProvider()
                 'is_active' => true,
                 'sort' => 2,
                 'left' => 8,
-                'parent_id' => CategoryService::ROOT_CATEGORY_ID,
+                'parent_id' => $this->rootId,
                 'level' => 1,
             ]
         );
@@ -416,7 +421,7 @@ public function getPartialTreeDataProvider()
                 'is_active' => true,
                 'sort' => 1,
                 'left' => 1,
-                'parent_id' => CategoryService::ROOT_CATEGORY_ID,
+                'parent_id' => $this->rootId,
                 'level' => 1,
                 'is_current' => true,
                 'is_expanded' => true,
@@ -429,7 +434,7 @@ public function getPartialTreeDataProvider()
                 'is_active' => true,
                 'sort' => 1,
                 'left' => 3,
-                'parent_id' => CategoryService::ROOT_CATEGORY_ID,
+                'parent_id' => $this->rootId,
                 'level' => 1,
             ]
         );
@@ -546,7 +551,7 @@ public function getCategoryDataProvider()
                 'is_active' => true,
                 'sort' => 1,
                 'left' => 2,
-                'parent_id' => CategoryService::ROOT_CATEGORY_ID,
+                'parent_id' => $this->rootId,
                 'level' => 1,
                 'is_hidden' => false,
             ],
@@ -555,7 +560,7 @@ public function getCategoryDataProvider()
                 'is_active' => true,
                 'sort' => 2,
                 'left' => 8,
-                'parent_id' => CategoryService::ROOT_CATEGORY_ID,
+                'parent_id' => $this->rootId,
                 'level' => 1,
                 'is_hidden' => false,
             ],
@@ -582,7 +587,7 @@ public function getCategoryDataProvider()
      */
     public function testGetCategory($categoryId, $category)
     {
-        $service = new CategoryService($this->getManager()->getRepository('AcmeTestBundle:Category'));
+        $service = new CategoryService($this->getManager()->getRepository('AcmeTestBundle:Category'), $this->rootId);
         $result = $service->getCategory($categoryId);
         $this->assertEquals($category, $result);
     }
diff --git a/Tests/app/config/config_test.yml b/Tests/app/config/config_test.yml
index 0af87c6..a512d27 100644
--- a/Tests/app/config/config_test.yml
+++ b/Tests/app/config/config_test.yml
@@ -38,6 +38,7 @@ ongr_content:
             product: es.manager.default.product
             content: es.manager.default.content
             category: es.manager.default.category
+    category_root_id: 'root_id'
 
 ongr_router:
     es_manager: default