diff --git a/backend/src/index.ts b/backend/src/index.ts
index 08d6aca..1bf75e1 100644
--- a/backend/src/index.ts
+++ b/backend/src/index.ts
@@ -11,7 +11,11 @@ const PORT = parseInt(process.env.PORT || "3001");
 const STATIC_DIR = process.env.STATIC_DIR || "./public";
 
 const app = new Elysia()
-    .use(cors())
+    .use(
+        cors({
+            exposeHeaders: ["Content-Range", "Accept-Ranges", "Content-Length"],
+        }),
+    )
     .onError(({ error }) => {
         console.error("Unhandled error:", error);
         return status(500, { error: "Internal server error" });