diff --git a/nginx/nginx.conf b/nginx/nginx.conf
index d774516..e82ed66 100644
--- a/nginx/nginx.conf
+++ b/nginx/nginx.conf
@@ -51,8 +51,17 @@ http {
         server_name "api.cors-school.nilstrieb.dev";
 
         location / {
+            if ($request_method = 'OPTIONS') {
+                add_header 'Access-Control-Allow-Origin' 'cors-school.nilstrieb.dev';
+                add_header 'Access-Control-Allow-Credentials' 'true';
+                add_header 'Access-Control-Allow-Methods' 'GET, POST, DELETE, PUT, OPTIONS';
+                add_header 'Access-Control-Allow-Headers' 'token,refresh-token';
+                add_header 'Content-Type' 'text/plain charset=UTF-8';
+                add_header 'Content-Length' 0;
+                return 204;
+            }
+
             proxy_pass http://cors-school-backend:8080/;
-            add_header Access-Control-Allow-Origin cors-school.nilstrieb.dev;
         }
     }