diff --git a/conf/nginx.conf b/conf/nginx.conf
index ed4e068..20895a8 100755
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -4,7 +4,7 @@ location / {
   alias __FINALPATH__/public/;
 
   # Add headers to serve security related headers
-  more_set_headers "Strict-Transport-Security: frame-ancestors http://*:* https://*:*";
+  more_set_headers "Content-Security-Policy : frame-ancestors http://*:* https://*:*";
 
   index index.php;