diff --git a/packages/frontend/src/preferences.ts b/packages/frontend/src/preferences.ts
index 7d1821b72b..67ccbbde8d 100644
--- a/packages/frontend/src/preferences.ts
+++ b/packages/frontend/src/preferences.ts
@@ -7,25 +7,25 @@ import { v4 as uuid } from 'uuid';
 import type { PreferencesProfile, StorageProvider } from '@/preferences/manager.js';
 import { cloudBackup } from '@/preferences/utility.js';
 import { miLocalStorage } from '@/local-storage.js';
-import { isSameCond, ProfileManager } from '@/preferences/manager.js';
+import { isSameCond, PreferencesManager } from '@/preferences/manager.js';
 import { store } from '@/store.js';
 import { $i } from '@/account.js';
 import { misskeyApi } from '@/utility/misskey-api.js';
 
 const TAB_ID = uuid();
 
-function createProfileManager(storageProvider: StorageProvider) {
+function createPrefManager(storageProvider: StorageProvider) {
 	let profile: PreferencesProfile;
 
 	const savedProfileRaw = miLocalStorage.getItem('preferences');
 	if (savedProfileRaw == null) {
-		profile = ProfileManager.newProfile();
+		profile = PreferencesManager.newProfile();
 		miLocalStorage.setItem('preferences', JSON.stringify(profile));
 	} else {
-		profile = ProfileManager.normalizeProfile(JSON.parse(savedProfileRaw));
+		profile = PreferencesManager.normalizeProfile(JSON.parse(savedProfileRaw));
 	}
 
-	return new ProfileManager(profile, storageProvider);
+	return new PreferencesManager(profile, storageProvider);
 }
 
 const syncGroup = 'default';
@@ -104,7 +104,7 @@ const storageProvider: StorageProvider = {
 	},
 };
 
-export const prefer = createProfileManager(storageProvider);
+export const prefer = createPrefManager(storageProvider);
 
 let latestSyncedAt = Date.now();
 
@@ -118,7 +118,7 @@ function syncBetweenTabs() {
 	if (latestTab === TAB_ID) return;
 	if (latestAt <= latestSyncedAt) return;
 
-	prefer.rewriteProfile(ProfileManager.normalizeProfile(JSON.parse(miLocalStorage.getItem('preferences')!)));
+	prefer.rewriteProfile(PreferencesManager.normalizeProfile(JSON.parse(miLocalStorage.getItem('preferences')!)));
 
 	latestSyncedAt = Date.now();
 
diff --git a/packages/frontend/src/preferences/manager.ts b/packages/frontend/src/preferences/manager.ts
index f42a9be25f..c3e3ea7ed3 100644
--- a/packages/frontend/src/preferences/manager.ts
+++ b/packages/frontend/src/preferences/manager.ts
@@ -91,7 +91,7 @@ export type PreferencesDefinition = Record<string, {
 	serverDependent?: boolean;
 }>;
 
-export class ProfileManager {
+export class PreferencesManager {
 	private storageProvider: StorageProvider;
 	public profile: PreferencesProfile;
 	public cloudReady: Promise<void>;