diff --git a/src/die.ts b/src/die.ts
index 0dccad0..219616d 100644
--- a/src/die.ts
+++ b/src/die.ts
@@ -1,6 +1,6 @@
 import { Context } from 'koa';
 
-export const die = (ctx: Context, error: string): Promise<void> => {
-	ctx.status = 400;
+export const die = (ctx: Context, error: string, status = 400): Promise<void> => {
+	ctx.status = status;
 	return ctx.render('error', { error });
 };
diff --git a/src/router.ts b/src/router.ts
index efcee7f..2f0b70a 100644
--- a/src/router.ts
+++ b/src/router.ts
@@ -5,6 +5,7 @@ import { v4 as uuid } from 'uuid';
 import { config } from './config';
 import axios from 'axios';
 import { upsertUser, getUser, getUserCount, updateUser } from './users';
+import { api } from './misskey';
 
 export const router = new Router<DefaultState, Context>();
 
@@ -98,6 +99,5 @@ router.get('/legacy-auth', async ctx => {
 
 // Return 404 for other pages
 router.all('(.*)', async ctx => {
-	ctx.status = 404;
-	await die(ctx, 'ページが見つかりませんでした');
+	await die(ctx, 'ページが見つかりませんでした', 404);
 });
\ No newline at end of file