diff --git a/frontend/src/api/admin/accounts.ts b/frontend/src/api/admin/accounts.ts
index 8de2ed4996..087cfaec41 100644
--- a/frontend/src/api/admin/accounts.ts
+++ b/frontend/src/api/admin/accounts.ts
@@ -6,6 +6,7 @@
 import { apiClient } from '../client'
 import type {
   Account,
+  AccountListItem,
   CreateAccountRequest,
   UpdateAccountRequest,
   PaginatedResponse,
@@ -53,8 +54,8 @@ export async function list(
   options?: {
     signal?: AbortSignal
   }
-): Promise<PaginatedResponse<Account>> {
-  const { data } = await apiClient.get<PaginatedResponse<Account>>('/admin/accounts', {
+): Promise<PaginatedResponse<AccountListItem>> {
+  const { data } = await apiClient.get<PaginatedResponse<AccountListItem>>('/admin/accounts', {
     params: {
       page,
       page_size: pageSize,
@@ -68,7 +69,7 @@ export async function list(
 export interface AccountListWithEtagResult {
   notModified: boolean
   etag: string | null
-  data: PaginatedResponse<Account> | null
+  data: PaginatedResponse<AccountListItem> | null
 }
 
 export interface AccountUpstreamBillingRatesWithEtagResult {
@@ -135,7 +136,7 @@ export async function listWithEtag(
     headers['If-None-Match'] = options.etag
   }
 
-  const response = await apiClient.get<PaginatedResponse<Account>>('/admin/accounts', {
+  const response = await apiClient.get<PaginatedResponse<AccountListItem>>('/admin/accounts', {
     params: {
       page,
       page_size: pageSize,
diff --git a/frontend/src/types/index.ts b/frontend/src/types/index.ts
index 1c2fcc6f18..b0435fc3a8 100644
--- a/frontend/src/types/index.ts
+++ b/frontend/src/types/index.ts
@@ -1277,6 +1277,10 @@ export interface Account {
   parent_chatgpt_account_id?: string
 }
 
+// The admin account list may return this compact shape when lite=1. Detail
+// operations still use Account from /admin/accounts/:id.
+export type AccountListItem = Omit<Account, 'groups'>
+
 export interface AccountSchedulerGroupScore {
   group_id?: number | null
   group_name?: string