diff --git a/tf2onnx/tfonnx.py b/tf2onnx/tfonnx.py
index c2c881e77..f149ae88d 100644
--- a/tf2onnx/tfonnx.py
+++ b/tf2onnx/tfonnx.py
@@ -74,7 +74,7 @@ def rewrite_constant_fold(g, ops):
     func_map = {
         "Add": np.add,
         "GreaterEqual": np.greater_equal,
-        "Cast": np.cast,
+        "Cast": np.asarray,
         "ConcatV2": np.concatenate,
         "Less": np.less,
         "ListDiff": np.setdiff1d,
@@ -107,7 +107,7 @@ def rewrite_constant_fold(g, ops):
                     if op.type == "Cast":
                         dst = op.get_attr_int("to")
                         np_type = tf2onnx.utils.map_onnx_to_numpy_type(dst)
-                        val = np.cast[np_type](*inputs)
+                        val = np.asarray(*inputs, dtype=np_type)
                     elif op.type == "ConcatV2":
                         axis = inputs[-1]
                         values = inputs[:-1]