diff --git a/scripts/upgrade b/scripts/upgrade
index d4eada2..c4d3680 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -57,15 +57,7 @@ if ynh_legacy_permissions_exists; then
 	ynh_app_setting_delete --app=$app --key=is_public
 fi
 
-if ! ynh_permission_exists --permission="admin"; then
-	# Create the required permissions
-	ynh_permission_create --permission="admin" --url="/admin" --allowed=$admin
-fi
-
-# Create a permission if needed
-if ! ynh_permission_exists --permission="api"; then
-	ynh_permission_create --permission="api" --url="/api" --allowed="visitors" --show_tile="false" --protected="true"
-fi
+ynh_permission_url --permission="main" --url="/_utils/index.html" --add_url="/" --auth_header=false
 
 #=================================================
 # NGINX CONFIGURATION