diff --git a/conf/nginx.conf b/conf/nginx.conf
index cad7885..858d281 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -5,13 +5,11 @@ location __PATH__/ {
     
     index index.html;
 
-    more_set_headers "Referrer-Policy: 'strict-origin' always";
-    more_set_headers "X-Content-Type-Options: 'nosniff' always";
-    more_set_headers "X-Frame-Options: 'SAMEORIGIN' always";
+    more_set_headers "X-Frame-Options: SAMEORIGIN";
+    more_set_headers "X-Content-Type-Options: nosniff";
+    more_set_headers "X-XSS-Protection: '1; mode=block'";
+    more_set_headers "Content-Security-Policy: frame-ancestors 'self'";
 
     # Include SSOWAT user panel.
     include conf.d/yunohost_panel.conf.inc;
 }
-
-
-