diff --git a/benchmark/hf3fs/bench_client.py b/benchmark/hf3fs/bench_client.py
index 0af3c80c7..ef4a967c4 100644
--- a/benchmark/hf3fs/bench_client.py
+++ b/benchmark/hf3fs/bench_client.py
@@ -29,7 +29,7 @@ def test():
     file_size = 1 << 40
     bytes_per_page = 16 << 20
     entries = 32
-    file_ops = Hf3fsUsrBioClient(file_path, file_size, bytes_per_page, entries)
+    file_ops = Hf3fsUsrBioClient(file_path, file_size, bytes_per_page, entries, 5)
 
     print("test batch_read / batch_write")
     num_pages = 128
@@ -74,7 +74,7 @@ def bench():
     numel = bytes_per_page // dtype.itemsize
 
     file_ops = [
-        Hf3fsUsrBioClient(file_path, file_size, bytes_per_page, entries)
+        Hf3fsUsrBioClient(file_path, file_size, bytes_per_page, entries, 5)
         for _ in range(numjobs)
     ]