diff --git a/src/Controller/OgAgent/OgAdmClientController.php b/src/Controller/OgAgent/OgAdmClientController.php
index 3c16ace..34af054 100644
--- a/src/Controller/OgAgent/OgAdmClientController.php
+++ b/src/Controller/OgAgent/OgAdmClientController.php
@@ -55,7 +55,7 @@ class OgAdmClientController extends AbstractController
         $fileAutoExec = '/tmp/Sautoexec-' . $data['iph'];
         try {
             $fileExe = fopen($fileAutoExec, 'w');
-            fwrite($fileExe, json_encode(['param' => '@'.join(["nfn=popup\rtitle=my title\rmessage=my message"])]));
+            fwrite($fileExe, json_encode(['param' => ["nfn=popup\rtitle=my title\rmessage=my message"]]));
             fclose($fileExe);
         } catch (\Exception $e) {
             return new JsonResponse([], Response::HTTP_INTERNAL_SERVER_ERROR);