diff --git a/packages/frontend/vite.config.local-dev.ts b/packages/frontend/vite.config.local-dev.ts
index b5fd797ec1..d588f83138 100644
--- a/packages/frontend/vite.config.local-dev.ts
+++ b/packages/frontend/vite.config.local-dev.ts
@@ -32,7 +32,7 @@ const devConfig: UserConfig = {
 	publicDir: '../assets',
 	base: './',
 	server: {
-		host: true,
+		host: 'localhost',
 		port: 5173,
 		proxy: {
 			'/api': {
diff --git a/packages/frontend/vite.config.ts b/packages/frontend/vite.config.ts
index 3333cd12fa..f8bd433335 100644
--- a/packages/frontend/vite.config.ts
+++ b/packages/frontend/vite.config.ts
@@ -66,7 +66,6 @@ export function getConfig(): UserConfig {
 
 		server: {
 			port: 5173,
-			host: true,
 			headers: { // なんか効かない
 				'X-Frame-Options': 'DENY',
 			},