diff --git a/rioxarray/_io.py b/rioxarray/_io.py
index 9e628828..b7e3cb9c 100644
--- a/rioxarray/_io.py
+++ b/rioxarray/_io.py
@@ -929,7 +929,7 @@ def _prepare_dask(
             chunks=(1, "auto", "auto"),
             shape=(riods.count, riods.height, riods.width),
             dtype=_rasterio_to_numpy_dtype(riods.dtypes),
-            previous_chunks=tuple((c,) for c in block_shape),
+            previous_chunks=tuple(c for c in block_shape),
         )
     token_filename = filename
     if bidx is not None: