diff --git a/src/TensorFlowNET.Core/Tensors/tensor_util.cs b/src/TensorFlowNET.Core/Tensors/tensor_util.cs
index d4e6c7f1..e0cdd5e0 100644
--- a/src/TensorFlowNET.Core/Tensors/tensor_util.cs
+++ b/src/TensorFlowNET.Core/Tensors/tensor_util.cs
@@ -123,6 +123,8 @@ namespace Tensorflow
                 }
                 else
                     values = Convert.ChangeType(values, new_system_dtype);
+
+                dtype = values.GetDataType();
             }
 
             shape = shape ?? values.GetShape();