diff --git a/tests/unit/test_io_hdf5_h5tools.py b/tests/unit/test_io_hdf5_h5tools.py
index 394c1d333..37f8967fb 100644
--- a/tests/unit/test_io_hdf5_h5tools.py
+++ b/tests/unit/test_io_hdf5_h5tools.py
@@ -176,7 +176,7 @@ def test_write_dataset_list_compress_szip(self):
         self.io.write_dataset(self.f, DatasetBuilder('test_dataset', a, attributes={}))
         dset = self.f['test_dataset']
         self.assertTrue(np.all(dset[:] == a.data))
-        self.assertEqual(dset.compression, 'lzf')
+        self.assertEqual(dset.compression, 'szip')
         self.assertEqual(dset.shuffle, True)
         self.assertEqual(dset.fletcher32, True)