diff --git a/packages/frontend/src/scripts/get-note-menu.ts b/packages/frontend/src/scripts/get-note-menu.ts
index c54be43d1..9da7447bf 100644
--- a/packages/frontend/src/scripts/get-note-menu.ts
+++ b/packages/frontend/src/scripts/get-note-menu.ts
@@ -200,7 +200,7 @@ export function getNoteMenu(props: {
 		props.translating.value = true;
 		const res = await os.api('notes/translate', {
 			noteId: appearNote.id,
-			targetLang: miLocalStorage.getItem('lang') || navigator.language,
+			targetLang: miLocalStorage.getItem('lang') ?? navigator.language,
 		});
 		props.translating.value = false;
 		props.translation.value = res;
diff --git a/packages/frontend/src/scripts/get-user-name.ts b/packages/frontend/src/scripts/get-user-name.ts
index d499ea020..4daf203e0 100644
--- a/packages/frontend/src/scripts/get-user-name.ts
+++ b/packages/frontend/src/scripts/get-user-name.ts
@@ -1,3 +1,3 @@
 export default function(user: { name?: string | null, username: string }): string {
-	return user.name || user.username;
+	return user.name === '' ? user.username : user.name ?? user.username;
 }