diff --git a/sklearn/preprocessing/_data.py b/sklearn/preprocessing/_data.py
index 7e7d8a8dd3c17..68a887f7e2042 100644
--- a/sklearn/preprocessing/_data.py
+++ b/sklearn/preprocessing/_data.py
@@ -2435,7 +2435,11 @@ def transform(self, K, copy=True):
         xp, _ = get_namespace(K)
 
         K = self._validate_data(
-            K, copy=copy, dtype=_array_api.supported_float_dtypes(xp), reset=False
+            K,
+            copy=copy,
+            force_writeable=True,
+            dtype=_array_api.supported_float_dtypes(xp),
+            reset=False,
         )
 
         K_pred_cols = (xp.sum(K, axis=1) / self.K_fit_rows_.shape[0])[:, None]