diff --git a/src/Ldap/Client/Instances.hs b/src/Ldap/Client/Instances.hs
index ca2689934..1d8b7f3ac 100644
--- a/src/Ldap/Client/Instances.hs
+++ b/src/Ldap/Client/Instances.hs
@@ -1,4 +1,4 @@
--- SPDX-FileCopyrightText: 2022 Gregor Kleen <gregor.kleen@ifi.lmu.de>
+-- SPDX-FileCopyrightText: 2022-2024 Sarah Vaupel <sarah.vaupel@uniworx.de>, Gregor Kleen <gregor.kleen@ifi.lmu.de>
 --
 -- SPDX-License-Identifier: AGPL-3.0-or-later
 
@@ -9,7 +9,27 @@ module Ldap.Client.Instances
   ) where
 
 import ClassyPrelude
+
+import Data.Data (Data)
+
+import Database.Persist.TH (derivePersistField)
+
+import Utils.PathPiece (derivePathPiece)
+
 import Ldap.Client
 
 
 deriving instance Ord ResultCode
+deriving instance Ord Scope
+
+deriving instance Read Scope
+
+deriving instance Data Scope
+
+deriving instance Generic Scope
+
+deriving instance NFData Scope
+
+derivePathPiece ''Scope id "--"
+
+derivePersistField "Scope"