diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index ab8c8b36f0..f30ea60a01 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -589,7 +589,7 @@ common/views/widgets/tips.vue:
   tips-line24: "Misskeyは2014年にサービスを開始しました"
   tips-line25: "対応ブラウザではMisskeyを開いていなくても通知を受け取れます"
 
-common/views/pages/404.vue:
+common/views/pages/not-found.vue:
   page-not-found: "ページが見つかりませんでした"
 
 common/views/pages/follow.vue:
diff --git a/src/client/app/admin/script.ts b/src/client/app/admin/script.ts
index 1b9b91c865..084f23b367 100644
--- a/src/client/app/admin/script.ts
+++ b/src/client/app/admin/script.ts
@@ -9,7 +9,7 @@ import './style.styl';
 
 import init from '../init';
 import Index from './views/index.vue';
-import NotFound from '../common/views/pages/404.vue';
+import NotFound from '../common/views/pages/not-found.vue';
 
 init(launch => {
 	document.title = 'Admin';
diff --git a/src/client/app/auth/script.ts b/src/client/app/auth/script.ts
index 9dc6e57333..91bb24b108 100644
--- a/src/client/app/auth/script.ts
+++ b/src/client/app/auth/script.ts
@@ -9,7 +9,7 @@ import './style.styl';
 
 import init from '../init';
 import Index from './views/index.vue';
-import NotFound from '../common/views/pages/404.vue';
+import NotFound from '../common/views/pages/not-found.vue';
 
 /**
  * init
diff --git a/src/client/app/common/views/pages/404.vue b/src/client/app/common/views/pages/not-found.vue
similarity index 94%
rename from src/client/app/common/views/pages/404.vue
rename to src/client/app/common/views/pages/not-found.vue
index 5d6db50758..cb1b19687c 100644
--- a/src/client/app/common/views/pages/404.vue
+++ b/src/client/app/common/views/pages/not-found.vue
@@ -13,7 +13,7 @@ import Vue from 'vue'
 import i18n from '../../../i18n';
 
 export default Vue.extend({
-	i18n: i18n('common/views/pages/404.vue'),
+	i18n: i18n('common/views/pages/not-found.vue'),
 	data() {
 		return {
 			src: ''
diff --git a/src/client/app/desktop/script.ts b/src/client/app/desktop/script.ts
index ebde75e3b4..b1948edc9c 100644
--- a/src/client/app/desktop/script.ts
+++ b/src/client/app/desktop/script.ts
@@ -28,7 +28,7 @@ import MkTag from './views/pages/tag.vue';
 import MkReversi from './views/pages/games/reversi.vue';
 import MkShare from './views/pages/share.vue';
 import MkFollow from '../common/views/pages/follow.vue';
-import MkNotFound from '../common/views/pages/404.vue';
+import MkNotFound from '../common/views/pages/not-found.vue';
 
 import Ctx from './views/components/context-menu.vue';
 import PostFormWindow from './views/components/post-form-window.vue';
diff --git a/src/client/app/dev/script.ts b/src/client/app/dev/script.ts
index 33b15bfb8e..9adcb84d7c 100644
--- a/src/client/app/dev/script.ts
+++ b/src/client/app/dev/script.ts
@@ -18,7 +18,7 @@ import Apps from './views/apps.vue';
 import AppNew from './views/new-app.vue';
 import App from './views/app.vue';
 import ui from './views/ui.vue';
-import NotFound from '../common/views/pages/404.vue';
+import NotFound from '../common/views/pages/not-found.vue';
 
 Vue.use(BootstrapVue);
 
diff --git a/src/client/app/mobile/script.ts b/src/client/app/mobile/script.ts
index 5dc39ad788..e0ccbad792 100644
--- a/src/client/app/mobile/script.ts
+++ b/src/client/app/mobile/script.ts
@@ -31,7 +31,7 @@ import MkReversi from './views/pages/games/reversi.vue';
 import MkTag from './views/pages/tag.vue';
 import MkShare from './views/pages/share.vue';
 import MkFollow from '../common/views/pages/follow.vue';
-import MkNotFound from '../common/views/pages/404.vue';
+import MkNotFound from '../common/views/pages/not-found.vue';
 
 import PostForm from './views/components/post-form-dialog.vue';
 import FileChooser from './views/components/drive-file-chooser.vue';
diff --git a/src/client/app/test/script.ts b/src/client/app/test/script.ts
index d9fb666789..44fe224cbc 100644
--- a/src/client/app/test/script.ts
+++ b/src/client/app/test/script.ts
@@ -5,7 +5,7 @@ import './style.styl';
 
 import init from '../init';
 import Index from './views/index.vue';
-import NotFound from '../common/views/pages/404.vue';
+import NotFound from '../common/views/pages/not-found.vue';
 
 init(launch => {
 	document.title = 'Misskey';