diff --git a/sidpy/sid/dataset.py b/sidpy/sid/dataset.py
index 301b0685..e7dcb212 100644
--- a/sidpy/sid/dataset.py
+++ b/sidpy/sid/dataset.py
@@ -485,6 +485,7 @@ def copy(self):
         for dim in self._axes:
             dataset_copy.set_dimension(dim, self._axes[dim])
         dataset_copy.metadata = dict(self.metadata).copy()
+        dataset_copy.original_metadata = dict(self.original_metadata).copy()
 
         return dataset_copy
 
diff --git a/tests/sid/test_dataset.py b/tests/sid/test_dataset.py
index a540ac54..689cf428 100644
--- a/tests/sid/test_dataset.py
+++ b/tests/sid/test_dataset.py
@@ -515,10 +515,13 @@ def test_all_customized_properties(self):
         dataset = Dataset.from_array(values)
         dataset.rename_dimension(0, 'x')
         dataset.quantity = 'test'
+        dataset.original_metadata = {'instrument': 'test_scope', 'reader': 'test_reader'}
         descriptor = dataset.copy()
 
         self.assertIsInstance(descriptor, Dataset)
         self.assertEqual(descriptor.quantity, dataset.quantity)
+        self.assertEqual(descriptor.original_metadata, dataset.original_metadata)
+        self.assertIsNot(descriptor.original_metadata, dataset.original_metadata)
         self.assertTrue(hasattr(descriptor, 'x'))