diff --git a/tests/unit_tests/test_settings.py b/tests/unit_tests/test_settings.py
index 7a3357d439..429e2824d5 100644
--- a/tests/unit_tests/test_settings.py
+++ b/tests/unit_tests/test_settings.py
@@ -79,7 +79,7 @@ def test_export_to_xml(run_in_tmpdir):
                              'write': True, 'overwrite': True}
     assert s.statepoint == {'batches': [50, 150, 500, 1000]}
     assert s.surf_source_read == {'path': 'surface_source_1.h5'}
-    assert s.surf_source_write == {'surface_ids': [2], 'max_particles': 200}
+    assert s.surf_source_write == {'surface_ids': [2], 'max_surface_particles': 200}
     assert s.confidence_intervals
     assert s.ptables
     assert s.seed == 17