diff --git a/frontend/vite.config.ts b/frontend/vite.config.ts
index 5aa4da6..ca9ba31 100644
--- a/frontend/vite.config.ts
+++ b/frontend/vite.config.ts
@@ -8,6 +8,9 @@ export default defineConfig({
   // depending on your application, base can also be "/"
   base: '',
   plugins: [react()],
+  preview: {
+    allowedHosts: ['.mitre.org', '.us-east-1.elb.amazonaws.com'],
+  },
   define: {
     'process.env': process.env
   },