diff --git a/src/zarr/indexing.py b/src/zarr/indexing.py
index 1f483e1c15..6987f69c11 100644
--- a/src/zarr/indexing.py
+++ b/src/zarr/indexing.py
@@ -1036,7 +1036,7 @@ def __init__(self, selection: CoordinateSelection, shape: ChunkCoords, chunk_gri
         # flatten selection
         selection_broadcast = tuple(dim_sel.reshape(-1) for dim_sel in selection_broadcast)
         chunks_multi_index_broadcast = tuple(
-            [dim_chunks.reshape(-1) for dim_chunks in chunks_multi_index_broadcast]
+            dim_chunks.reshape(-1) for dim_chunks in chunks_multi_index_broadcast
         )
 
         # ravel chunk indices