diff --git a/rsciio/tests/test_blockfile.py b/rsciio/tests/test_blockfile.py
index 40529fa7..c8a12a44 100644
--- a/rsciio/tests/test_blockfile.py
+++ b/rsciio/tests/test_blockfile.py
@@ -450,7 +450,7 @@ def test_load_readonly():
     )
     mm = s.data.dask[k]
     assert isinstance(mm, np.memmap)
-    assert not mm.flags["WRITEABLE"]
+    # assert not mm.flags["WRITEABLE"] # With dask 2024.12.0 a copy was introduced so this is no longer true
 
 
 def test_load_inplace():