diff --git a/autofaiss/external/download.py b/autofaiss/external/download.py
index afb7237..f7eef6d 100644
--- a/autofaiss/external/download.py
+++ b/autofaiss/external/download.py
@@ -6,7 +6,7 @@
 from autofaiss.datasets.readers.downloader import download
 from typing import Optional
 
-from autofaiss.build import get_estimated_download_time_infos
+from autofaiss.external.build import get_estimated_download_time_infos
 from autofaiss.datasets.transforming import convert_all_parquet_to_numpy
 from autofaiss.utils.decorators import Timeit