diff --git a/doc/self-hosted/index.md b/doc/self-hosted/index.md
index 7e5bd458..de88e257 100644
--- a/doc/self-hosted/index.md
+++ b/doc/self-hosted/index.md
@@ -148,7 +148,7 @@ server {
   # real_ip_header CF-Connecting-IP;
 
   # Other security options.
-  add_header X-Frame-Options DENY;
+  add_header X-Frame-Options SAMEORIGIN;
   add_header X-Content-Type-Options nosniff;
   add_header X-XSS-Protection "1; mode=block";