diff --git a/.infra/files/configs/reverse_proxy/locations/90_location_ui.conf.template b/.infra/files/configs/reverse_proxy/locations/90_location_ui.conf.template
index 7ea6b831..632d66e6 100644
--- a/.infra/files/configs/reverse_proxy/locations/90_location_ui.conf.template
+++ b/.infra/files/configs/reverse_proxy/locations/90_location_ui.conf.template
@@ -6,5 +6,5 @@ location / {
 
     client_max_body_size 0;
 
-    add_header Content-Security-Policy "frame-ancestors 'self' *.onisep.fr *.beta.gouv.fr *.incubateur.net";
+    add_header Content-Security-Policy "frame-ancestors 'self' *.onisep.fr *.onisep.fr:8000 *.beta.gouv.fr *.incubateur.net";
 }