diff --git a/src/Controller/OgAgent/OgAdmClientController.php b/src/Controller/OgAgent/OgAdmClientController.php
index c96a53f..0b50352 100644
--- a/src/Controller/OgAgent/OgAdmClientController.php
+++ b/src/Controller/OgAgent/OgAdmClientController.php
@@ -138,7 +138,7 @@ class OgAdmClientController extends AbstractController
             return new JsonResponse(['message' => 'Client not found'], Response::HTTP_NOT_FOUND);
         }
 
-        return new JsonResponse(json_encode ((object) null), Response::HTTP_OK);
+        return new JsonResponse(((object) null), Response::HTTP_OK);
     }
 
     private function clienteExistente($iph)