diff --git a/conf/nginx.conf b/conf/nginx.conf
index d6b7aa9..c128273 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -28,7 +28,7 @@ location ^~ __PATH__/ {
   more_set_headers "X-Download-Options: noopen";
   more_set_headers "X-Frame-Options: SAMEORIGIN";
   more_set_headers "X-Permitted-Cross-Domain-Policies: none";
-  more_set_headers "X-Robots-Tag: none";
+  more_set_headers "X-Robots-Tag: noindex, nofollow";
   more_set_headers "X-XSS-Protection: 1; mode=block";
 
   # Set max upload size