diff --git a/bundles/nginx/files/site_template b/bundles/nginx/files/site_template
index 7ce70ec..8a316e1 100644
--- a/bundles/nginx/files/site_template
+++ b/bundles/nginx/files/site_template
@@ -22,7 +22,7 @@ server {
 
 % if not do_not_set_content_security_headers:
     add_header Referrer-Policy same-origin;
-    add_header X-Frame-Options "DENY";
+    add_header X-Frame-Options "SAMEORIGIN";
     add_header X-Content-Type-Options nosniff;
 % endif
 
diff --git a/nodes/htz/ex42-1048908.py b/nodes/htz/ex42-1048908.py
index b97e336..03b3ac9 100644
--- a/nodes/htz/ex42-1048908.py
+++ b/nodes/htz/ex42-1048908.py
@@ -151,7 +151,6 @@ nodes['htz.ex42-1048908'] = {
                 },
                 'vliedel.random.franzi.business': {},
                 'webmail.mx0.kunbox.net': {
-                    'do_not_set_content_security_headers': True,
                     'index': 'index.php',
                     'php': True,
                 },