diff --git a/xarray/backends/api.py b/xarray/backends/api.py
index b8c256f2cb2..e3cd77385d2 100644
--- a/xarray/backends/api.py
+++ b/xarray/backends/api.py
@@ -474,6 +474,7 @@ def maybe_decode_store(store, lock=False):
         if engine == 'zarr':
             # on ZarrStore, mode='r', synchronizer=None, group=None,
             # consolidated=False.
+            overwrite_encoded_chunks = backend_kwargs.pop("overwrite_encoded_chunks", None)
             store = backends.ZarrStore.open_group(
                 filename_or_obj,
                 group=group,
@@ -510,6 +511,7 @@ def maybe_decode_store(store, lock=False):
         elif engine == 'zarr':
             # on ZarrStore, mode='r', synchronizer=None, group=None,
             # consolidated=False.
+            overwrite_encoded_chunks = backend_kwargs.pop("overwrite_encoded_chunks", None)
             store = backends.ZarrStore.open_group(
                 filename_or_obj,
                 group=group,