diff --git a/docs/source/notebooks/minimal_tutorial.py b/docs/source/notebooks/minimal_tutorial.py
index 946b7ac55..26900392f 100644
--- a/docs/source/notebooks/minimal_tutorial.py
+++ b/docs/source/notebooks/minimal_tutorial.py
@@ -153,7 +153,7 @@
 print("Data saved to cells3d.zarr")
 import zarr
 
-print(zarr.open("cells3d.zarr", mode="r").tree())
+print(zarr.open("cells3d.zarr").tree())
 # %% [markdown]
 # Here we show a slice of the raw data:
 # %%
diff --git a/examples/starter_tutorial/minimal_tutorial.py b/examples/starter_tutorial/minimal_tutorial.py
index 5479d86bd..bf54a893f 100644
--- a/examples/starter_tutorial/minimal_tutorial.py
+++ b/examples/starter_tutorial/minimal_tutorial.py
@@ -153,7 +153,7 @@
 print("Data saved to cells3d.zarr")
 import zarr
 
-print(zarr.open("cells3d.zarr", mode="r").tree())
+print(zarr.open("cells3d.zarr").tree())
 # %% [markdown]
 # Here we show a slice of the raw data:
 # %%