diff --git a/tests-deprecating/milvus_benchmark/milvus_benchmark/main.py b/tests-deprecating/milvus_benchmark/milvus_benchmark/main.py
index d97c3f8bee..4bdf77bd2d 100644
--- a/tests-deprecating/milvus_benchmark/milvus_benchmark/main.py
+++ b/tests-deprecating/milvus_benchmark/milvus_benchmark/main.py
@@ -151,7 +151,7 @@ def main():
     arg_parser.add_argument(
         '--port',
         help='server port param for local mode',
-        default='19530')
+        default=config.SERVER_PORT_DEFAULT)
     arg_parser.add_argument(
         '--suite',
         metavar='FILE',