diff --git a/src/Controller/OgAgent/OgAdmClientController.php b/src/Controller/OgAgent/OgAdmClientController.php
index ffecc2e..8fff66d 100644
--- a/src/Controller/OgAgent/OgAdmClientController.php
+++ b/src/Controller/OgAgent/OgAdmClientController.php
@@ -115,7 +115,7 @@ class OgAdmClientController extends AbstractController
         // Simula obtener comandos pendientes
         $param = $this->buscaComandos($data['ido']);
 
-        if (is_null($param)) {
+        if (!$param) {
             return new JsonResponse(['nfn' => 'NoComandosPtes'], Response::HTTP_OK);
         }
 
@@ -146,8 +146,8 @@ class OgAdmClientController extends AbstractController
         return true;
     }
 
-    private function buscaComandos($ido)
+    private function buscaComandos($ido): null
     {
-        return ['nfn' => 'popup', 'title' => 'my title', 'message' => 'my message', 'ids' => 42];
+        return null;
     }
 }
\ No newline at end of file