diff --git a/infra/ansible/roles/django/templates/tournesol.j2 b/infra/ansible/roles/django/templates/tournesol.j2
index 6905e66b4a..41d03225d2 100644
--- a/infra/ansible/roles/django/templates/tournesol.j2
+++ b/infra/ansible/roles/django/templates/tournesol.j2
@@ -99,7 +99,7 @@ server {
 
     location = /robots.txt {
         add_header Content-Type text/plain;
-        return 200 "User-agent: *\nDisallow: /\n";
+        return 200 "User-agent: *\nDisallow: /\nAllow: /preview/\nDisallow: /preview/w/index.php\n";
     }
 
     location /static/ {