diff --git a/src/Adapter/DbAcl.php b/src/Adapter/DbAcl.php
index c1f6f18c..769bb6d4 100644
--- a/src/Adapter/DbAcl.php
+++ b/src/Adapter/DbAcl.php
@@ -19,6 +19,9 @@
 use Cake\Controller\Component;
 use Cake\Core\App;
 use Cake\ORM\TableRegistry;
+use Acl\Model\Table\PermissionsTable;
+use Acl\Model\Table\ArosTable;
+use Acl\Model\Table\AcosTable;
 
 /**
  * DbAcl implements an ACL control system in the database. ARO's and ACO's are
@@ -40,6 +43,9 @@
  */
 class DbAcl implements AclInterface
 {
+    private PermissionsTable $Permission;
+    private ArosTable $Aro;
+    private AcosTable $Aco;
 
     /**
      * Constructor
diff --git a/src/Model/Table/PermissionsTable.php b/src/Model/Table/PermissionsTable.php
index 912e325d..238cffb1 100644
--- a/src/Model/Table/PermissionsTable.php
+++ b/src/Model/Table/PermissionsTable.php
@@ -20,6 +20,8 @@
 use Cake\Core\Exception\Exception;
 use Cake\ORM\Table;
 use Cake\Utility\Hash;
+use Acl\Model\Table\ArosTable;
+use Acl\Model\Table\AcosTable;
 
 /**
  * Permissions linking AROs with ACOs
@@ -27,6 +29,8 @@
  */
 class PermissionsTable extends AclNodesTable
 {
+    private ArosTable $Aro;
+    private AcosTable $Aco;
 
     /**
      * {@inheritDoc}