diff --git a/onnxconverter_common/onnx2py.py b/onnxconverter_common/onnx2py.py
index 684fa01..89f4a5b 100644
--- a/onnxconverter_common/onnx2py.py
+++ b/onnxconverter_common/onnx2py.py
@@ -177,7 +177,7 @@ def convert_tensor(tensor):
     if tensor.data_location == TensorProto.EXTERNAL:
         return convert_external_tensor(tensor)
     np_data = numpy_helper.to_array(tensor)
-    if np.product(np_data.shape) <= 10:
+    if np.prod(np_data.shape) <= 10:
         return numpy_helper_traced.from_array(np_data, name=tensor.name)
     dtype = np_data.dtype
     if dtype == object:
diff --git a/onnxconverter_common/pytracing.py b/onnxconverter_common/pytracing.py
index 8134ca6..0f66f27 100644
--- a/onnxconverter_common/pytracing.py
+++ b/onnxconverter_common/pytracing.py
@@ -22,8 +22,8 @@ class TracingObject:
     Used by onnx2py to mock a module like numpy or onnx.helper and record calls on that module
     Ex:
         np = TracingObject("np")
-        x = np.array(np.product([1, 2, 3]), np.int32)
-        assert repr(x) == "np.array(np.product([1, 2, 3]), np.int32)"
+        x = np.array(np.prod([1, 2, 3]), np.int32)
+        assert repr(x) == "np.array(np.prod([1, 2, 3]), np.int32)"
     """
     def __init__(self, trace, py_obj=NoPyObjException):
         self._trace = trace