diff --git a/template/frontend/vite-plugin-fastapi.js b/template/frontend/vite-plugin-fastapi.js
index f719bd5..60f0b2d 100644
--- a/template/frontend/vite-plugin-fastapi.js
+++ b/template/frontend/vite-plugin-fastapi.js
@@ -11,7 +11,7 @@
  */
 
 export default function fastapiVue({ paths = ["/api"] } = {}) {
-  const backendUrl = process.env.ENVPREFIX_BACKEND_URL || "http://localhost:TEMPLATE_DEFAULT_PORT"
+  const backendUrl = process.env.ENVPREFIX_BACKEND_URL || "http://localhost:TEMPLATE_DEV_PORT"
 
   // Build proxy configuration for each path
   const proxy = {}