diff --git a/docarray/index/backends/milvus.py b/docarray/index/backends/milvus.py
index c16d8a3867..609eee1ec8 100644
--- a/docarray/index/backends/milvus.py
+++ b/docarray/index/backends/milvus.py
@@ -87,6 +87,7 @@ def __init__(self, db_config=None, **kwargs):
         self._client = connections.connect(
             db_name="default",
             host=self._db_config.host,
+            port=self._db_config.port,
             user=self._db_config.user,
             password=self._db_config.password,
             token=self._db_config.token,