diff --git a/src/glue/jobs/json_to_parquet.py b/src/glue/jobs/json_to_parquet.py
index 02fbd877..32259278 100644
--- a/src/glue/jobs/json_to_parquet.py
+++ b/src/glue/jobs/json_to_parquet.py
@@ -361,7 +361,7 @@ def archive_existing_datasets(
     if delete_upon_completion and archived_objects:
         deleted_response = s3_client.delete_objects(
                 Bucket=bucket,
-                Delete={"Objects": {"Key": obj["Key"] for obj in archived_objects}}
+                Delete=[obj["Key"] for obj in archived_objects]
         )
     return archived_objects
 
diff --git a/tests/test_json_to_parquet.py b/tests/test_json_to_parquet.py
index 3ca064bb..434839a4 100644
--- a/tests/test_json_to_parquet.py
+++ b/tests/test_json_to_parquet.py
@@ -926,7 +926,7 @@ def test_archive_existing_datasets_delete(
             )
             mock_client.delete_objects.assert_called_once_with(
                     Bucket=artifact_bucket,
-                    Delete={"Objects": {"Key": obj["Key"] for obj in archived_objects}}
+                    Delete=[obj["Key"] for obj in archived_objects]
             )
 
     def test_drop_deleted_healthkit_data(