diff --git a/controllers/ConfigController.php b/controllers/ConfigController.php
index d481a3b5..841925fc 100644
--- a/controllers/ConfigController.php
+++ b/controllers/ConfigController.php
@@ -252,7 +252,7 @@ class ConfigController extends Controller {
                     'content' => json_encode([
                         'path' => $engineConfig['data']['engines'][0]['path'],
                         'config' => $engineConfig,
-                        'configEngine' => $config_json
+                        'configEngine' => json_encode($config_json, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE)
                     ])
                 ]
             ]));