diff --git a/vite.config.ts b/vite.config.ts
index 5f70a880..473522fd 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -23,7 +23,7 @@ export default defineConfig(() => ({
     },
     server: {
         port: Number(process.env.PORT),
-        allowedHosts: process.env.ALLOWED_HOSTS.split(','),
+        allowedHosts: process.env.ALLOWED_HOSTS.split(',').map((s) => s.trim()),
     },
     resolve: {
         alias: {