diff --git a/pandora_console/include/rest-api/models/Model.php b/pandora_console/include/rest-api/models/Model.php
index 563467f9d0..8a15dbef81 100644
--- a/pandora_console/include/rest-api/models/Model.php
+++ b/pandora_console/include/rest-api/models/Model.php
@@ -10,10 +10,10 @@ abstract class Model
     private $data;
 
 
-    abstract function validateData(array $data): void;
+    protected abstract function validateData(array $data): void;
 
 
-    abstract function decode(array $data): array;
+    protected abstract function decode(array $data): array;
 
 
     private function __construct(array $unknownData)
diff --git a/pandora_console/include/rest-api/models/VisualConsole/Container.php b/pandora_console/include/rest-api/models/VisualConsole/Container.php
index b27168f370..50dbe6a794 100644
--- a/pandora_console/include/rest-api/models/VisualConsole/Container.php
+++ b/pandora_console/include/rest-api/models/VisualConsole/Container.php
@@ -9,7 +9,7 @@ final class Container extends Model
 {
 
 
-    private function validateData(array $data): void
+    protected function validateData(array $data): void
     {
         if (isset($data['id']) === false
             || \is_numeric($data['id']) === false
@@ -50,7 +50,7 @@ final class Container extends Model
     }
 
 
-    private function decode(array $data): array
+    protected function decode(array $data): array
     {
         return [
             'id'              => (int) $data['id'],