diff --git a/src/middleware/cors.ts b/src/middleware/cors.ts
index 6e5f2c2..c7a328e 100644
--- a/src/middleware/cors.ts
+++ b/src/middleware/cors.ts
@@ -3,6 +3,6 @@ import { NextFunction, Request, Response } from "express";
 export function corsMiddleware(req: Request, res: Response, next: NextFunction): void {
     res.header("Access-Control-Allow-Origin", "*");
     res.header("Access-Control-Allow-Methods", "GET, POST, OPTIONS, DELETE");
-    res.header("Access-Control-Allow-Headers", "Content-Type, If-None-Match");
+    res.header("Access-Control-Allow-Headers", "Content-Type, If-None-Match, x-client-name");
     next();
 }