diff --git a/reverse-proxy/conf.d/default.conf b/reverse-proxy/conf.d/default.conf
index 027c327ce..476307f89 100644
--- a/reverse-proxy/conf.d/default.conf
+++ b/reverse-proxy/conf.d/default.conf
@@ -7,7 +7,7 @@ server {
   ssl_certificate /etc/nginx/cert/filterlists_cert.pem;
   ssl_certificate_key /etc/nginx/cert/filterlists_key.pem;
 
-  add_header Content-Security-Policy "default-src 'none'; connect-src 'self'; img-src 'self' data:; manifest-src 'self'; script-src 'self' 'unsafe-inline'; style-src 'self' 'unsafe-inline'; base-uri 'none'; form-action 'none'; frame-ancestors 'none';" always;
+  add_header Content-Security-Policy "default-src 'none'; connect-src 'self'; img-src 'self' validator.swagger.io data:; manifest-src 'self'; script-src 'self' 'unsafe-inline'; style-src 'self' 'unsafe-inline'; base-uri 'none'; form-action 'none'; frame-ancestors 'none';" always;
 
   location ^~ /api/directory/ {
     rewrite ^/api/directory/(.*)$ /$1 break;