diff --git a/src/Adapter/Ldap.php b/src/Adapter/Ldap.php
index 7ea7ebb..0c255cb 100644
--- a/src/Adapter/Ldap.php
+++ b/src/Adapter/Ldap.php
@@ -177,4 +177,20 @@ class Ldap implements \Ulmus\Adapter\AdapterInterface {
     {
         return null;
     }
+
+    public function repositoryClass() : string
+    {
+        return \Ulmus\Ldap\Repository::class;
+    }
+
+    public function queryBuilderClass() : string
+    {
+        return \Ulmus\Ldap\QueryBuilder::class;
+    }
+
+    public function tableSyntax() : array
+    {
+        return [
+        ];
+    }
 }
\ No newline at end of file