diff --git a/tests/benchmark/milvus_benchmark/client.py b/tests/benchmark/milvus_benchmark/client.py
index a2f5e312f2..9e1fffde25 100644
--- a/tests/benchmark/milvus_benchmark/client.py
+++ b/tests/benchmark/milvus_benchmark/client.py
@@ -8,7 +8,7 @@ import traceback
 from multiprocessing import Process
 from pymilvus import Milvus, DataType
 import numpy as np
-import utils
+import utils as util
 import config
 from milvus_benchmark.runners import utils