diff --git a/src/biosets/data_handling/arrow/arrow.py b/src/biosets/data_handling/arrow/arrow.py
index 10e90f1..768dfa2 100644
--- a/src/biosets/data_handling/arrow/arrow.py
+++ b/src/biosets/data_handling/arrow/arrow.py
@@ -88,8 +88,8 @@ def _arrow_array_to_numpy(self, pa_array: pa.Array) -> np.ndarray:
                 or (isinstance(x, float) and np.isnan(x))
                 for x in array
             ):
-                return np.array(array, copy=False, dtype=object)
-        return np.array(array, copy=False)
+                return np.asarray(array, dtype=object)
+        return np.asarray(array)
 
     def to_pandas(self, X: Union[pa.Array, pa.ChunkedArray, pa.Table], **kwargs):
         if isinstance(X, (pa.ChunkedArray, pa.Array)):