diff --git a/docarray/array/storage/milvus/getsetdel.py b/docarray/array/storage/milvus/getsetdel.py
index 3c0354d2783..ec9b188fcf8 100644
--- a/docarray/array/storage/milvus/getsetdel.py
+++ b/docarray/array/storage/milvus/getsetdel.py
@@ -74,8 +74,7 @@ def _get_docs_by_ids(self, ids: 'Iterable[str]', **kwargs) -> 'DocumentArray':
                 raise KeyError(f'No documents found for ids {ids}')
             docs.extend(self._docs_from_query_response(res))
         # sort output docs according to input id sorting
-        id_to_index = {id_: i for i, id_ in enumerate(ids)}
-        return DocumentArray(sorted(docs, key=lambda d: id_to_index[d.id]))
+        return DocumentArray([docs[d] for d in ids])
 
     def _del_docs_by_ids(self, ids: 'Iterable[str]', **kwargs) -> 'DocumentArray':
         kwargs = self._update_kwargs_from_config('consistency_level', **kwargs)
diff --git a/tests/unit/array/test_advance_indexing.py b/tests/unit/array/test_advance_indexing.py
index 86fb1a07f9e..088aa5f3bef 100644
--- a/tests/unit/array/test_advance_indexing.py
+++ b/tests/unit/array/test_advance_indexing.py
@@ -273,12 +273,13 @@ def test_sequence_str(docs, storage, config, start_storage):
     else:
         docs = DocumentArray(docs, storage=storage)
     # getter
-    idx = [d.id for d in docs[1, 3, 5, 7, -1, -2]]
+    idx = [d.id for d in docs[1, 3, 5, 7, -1, -2, 1]]
 
     assert len(docs[idx]) == len(idx)
     assert len(docs[tuple(idx)]) == len(idx)
 
     # setter
+    idx = [d.id for d in docs[1, 3, 5, 7, -1, -2]]
     docs[idx] = [Document(text='repl') for _ in range(len(idx))]
     idx = [d.id for d in docs[1, 3, 5, 7, -1, -2]]
     for _id in idx: