diff --git a/src/api/user/auth.api.ts b/src/api/user/auth.api.ts
index 62b8eac..cf1b212 100644
--- a/src/api/user/auth.api.ts
+++ b/src/api/user/auth.api.ts
@@ -12,7 +12,8 @@ export async function loginWithKakaoAccessToken(kakaoAccessToken: string) {
   const body = { KakaoTokenRequestDto: { accessToken: kakaoAccessToken } };
 
   const { data } = await api.post<ApiResponse<LoginResult>>('/auth/login/kakao', body);
-  localStorage.setItem('accessToken', data.data.accessToken);
-  localStorage.setItem('refreshToken', data.data.refreshToken);
-  return data;
+  const payload = typeof data?.success === 'boolean' ? data.data : (data as any);
+  localStorage.setItem('accessToken', payload.accessToken);
+  localStorage.setItem('refreshToken', payload.refreshToken);
+  return payload;
 }