diff --git a/README b/README
old mode 100644
new mode 100755
diff --git a/composer.json b/composer.json
old mode 100644
new mode 100755
diff --git a/lib/NetteUtils/Rest/HttpServicePresenter.php b/lib/NetteUtils/Rest/HttpServicePresenter.php
index 3979e55..d47d17b 100755
--- a/lib/NetteUtils/Rest/HttpServicePresenter.php
+++ b/lib/NetteUtils/Rest/HttpServicePresenter.php
@@ -161,7 +161,7 @@ abstract class HttpServicePresenter extends Presenter
 
 
 
-    private function ensureJsonAsString($json) : string
+    protected function ensureJsonAsString($json) : string
     {
         if (is_array($json)) {
             $json = json_encode($json);
diff --git a/lib/NetteUtils/System/Bootstrap.php b/lib/NetteUtils/System/Bootstrap.php
old mode 100644
new mode 100755