diff --git a/nginx/conf.d/headers.conf b/nginx/conf.d/headers.conf
index 76e9436..ba251c9 100644
--- a/nginx/conf.d/headers.conf
+++ b/nginx/conf.d/headers.conf
@@ -7,3 +7,4 @@ add_header Referrer-Policy "no-referrer";
 add_header Feature-Policy "microphone 'none'; payment 'none'; sync-xhr 'self' https://chaospott.de/";
 add_header X-Frame-Options "SAMEORIGIN";
 add_header X-Content-Type-Options "nosniff";
+add_header Access-Control-Allow-Origin "https://chaospott.de/; https://cloud.chaospott.ru/";