diff --git a/src/zarr/api/asynchronous.py b/src/zarr/api/asynchronous.py
index acae566fc..f3841be08 100644
--- a/src/zarr/api/asynchronous.py
+++ b/src/zarr/api/asynchronous.py
@@ -1090,7 +1090,7 @@ async def open_array(
     try:
         return await AsyncArray.open(store_path, zarr_format=zarr_format)
     except FileNotFoundError:
-        if not store_path.store.readonly:
+        if not store_path.readonly:
             return await create(
                 store=store_path,
                 zarr_format=zarr_format or _default_zarr_version(),
diff --git a/src/zarr/core/array.py b/src/zarr/core/array.py
index 72c22611b..870d902c8 100644
--- a/src/zarr/core/array.py
+++ b/src/zarr/core/array.py
@@ -772,7 +772,7 @@ def read_only(self) -> bool:
             True if the array is read-only
         """
         # Backwards compatibility for 2.x
-        return self.store_path.store.readonly
+        return self.store_path.readonly
 
     @property
     def path(self) -> str:
diff --git a/src/zarr/core/group.py b/src/zarr/core/group.py
index 683f7b936..62eebe0f0 100644
--- a/src/zarr/core/group.py
+++ b/src/zarr/core/group.py
@@ -815,7 +815,7 @@ def store(self) -> Store:
     @property
     def read_only(self) -> bool:
         # Backwards compatibility for 2.x
-        return self.store_path.store.readonly
+        return self.store_path.readonly
 
     @property
     def synchronizer(self) -> None: