diff --git a/.env.example b/.env.example
index f2faeeb..8dcbe61 100644
--- a/.env.example
+++ b/.env.example
@@ -4,6 +4,7 @@ PORT=4000
 DATABASE_URL="mysql://root@localhost:3306/nq"
 REDIS_URL="redis://@127.0.0.1:6379/4"
 JWT_SECRET="secret"
+CLIENT_URL="https://localhost:5173"
 
 # Game configuration
 ALLOW_DIAGONAL_MOVEMENT=false
diff --git a/src/server.ts b/src/server.ts
index 6a390a5..bee71d0 100644
--- a/src/server.ts
+++ b/src/server.ts
@@ -28,7 +28,7 @@ export class Server {
   constructor() {
     this.app = express()
     this.app.use(cors({
-      origin: 'https://sylvan.quest'
+      origin: config.CLIENT_URL
     }))
     this.app.use(express.json())
     this.app.use(express.urlencoded({ extended: true }))