diff --git a/pymilvus/orm/collection.py b/pymilvus/orm/collection.py
index 2c593c45b..1ea66b057 100644
--- a/pymilvus/orm/collection.py
+++ b/pymilvus/orm/collection.py
@@ -412,7 +412,7 @@ def load(
             >>> collection.load()
         """
         conn = self._get_connection()
-        if partition_names is not None:
+        if not partition_names:
             conn.load_partitions(
                 collection_name=self._name,
                 partition_names=partition_names,