diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index 17de04ebc..743640725 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -860,6 +860,7 @@ deleteAccount: "アカウント削除"
 document: "ドキュメント"
 numberOfPageCache: "ページキャッシュ数"
 numberOfPageCacheDescription: "多くすると利便性が向上しますが、負荷とメモリ使用量が増えます。"
+logoutConfirm: "ログアウトしますか？"
 
 _emailUnavailable:
   used: "既に使用されています"
diff --git a/packages/client/src/pages/settings/index.vue b/packages/client/src/pages/settings/index.vue
index 011962c2e..8143298cc 100644
--- a/packages/client/src/pages/settings/index.vue
+++ b/packages/client/src/pages/settings/index.vue
@@ -32,6 +32,7 @@ import { unisonReload } from '@/scripts/unison-reload';
 import { instance } from '@/instance';
 import { useRouter } from '@/router';
 import { definePageMetadata, provideMetadataReceiver, setPageMetadata } from '@/scripts/page-metadata';
+import * as os from '@/os';
 
 const props = withDefaults(defineProps<{
   initialPage?: string;
@@ -181,7 +182,12 @@ const menuDef = computed(() => [{
 		type: 'button',
 		icon: 'fas fa-sign-in-alt fa-flip-horizontal',
 		text: i18n.ts.logout,
-		action: () => {
+		action: async () => {
+			const { canceled } = await os.confirm({
+				type: 'warning',
+				text: i18n.ts.logoutConfirm,
+			});
+			if (canceled) return;
 			signout();
 		},
 		danger: true,