diff --git a/shared/datastore/tests/integration/conftest.py b/shared/datastore/tests/integration/conftest.py
index e4fce47..342ebae 100644
--- a/shared/datastore/tests/integration/conftest.py
+++ b/shared/datastore/tests/integration/conftest.py
@@ -60,10 +60,10 @@ def minio_client(
     # expose client
     yield client
     # remove objects left behind by tests
-    for obj_name in client.list_objects(bucket_name=minio_bucket_name, recursive=True):
+    for obj in client.list_objects(bucket_name=minio_bucket_name, recursive=True):
         client.remove_object(
-            bucket_name=minio_bucket_name,
-            object_name=obj_name,
+            bucket_name=obj.bucket_name,
+            object_name=obj.object_name,
         )
     # remove bucket
     client.remove_bucket(bucket_name=minio_bucket_name)