diff --git a/src/TurbDataReader.cpp b/src/TurbDataReader.cpp
index f9687b579..bddf1a714 100644
--- a/src/TurbDataReader.cpp
+++ b/src/TurbDataReader.cpp
@@ -27,13 +27,14 @@ auto read_dataset(hid_t &file_id, char const *dataset_name) -> amrex::Table3D<do
 	std::vector<hsize_t> dims(ndims);
 	H5Sget_simple_extent_dims(dspace, dims.data(), nullptr);
 
-	uint64_t data_size = 1;
+	size_t 	data_size = 1;
 	for (int idim = 0; idim < ndims; ++idim) {
 		data_size *= dims[idim];
 	}
 
 	// allocate array for dataset storage
-	std::unique_ptr<double[]> temp_data(new double[data_size]);
+	// std::unique_ptr<double[]> temp_data(new double[data_size]);
+	std::vector<double> temp_data(data_size);
 
 	// read dataset
 	herr_t status = H5Dread(dset_id, HDF5_R8, H5S_ALL, H5S_ALL, H5P_DEFAULT, temp_data);