diff --git a/python/tests/test_Geom.py b/python/tests/test_Geom.py
index 5fd4d3b1c..0eeffd7b8 100644
--- a/python/tests/test_Geom.py
+++ b/python/tests/test_Geom.py
@@ -73,8 +73,8 @@ class TestGeom:
                  size=np.ones(2))
 
     def test_save_load_ASCII(self,default,tmp_path):
-        default.save_ASCII(tmp_path/'ASCII')
-        assert geom_equal(Geom.load_ASCII(tmp_path/'ASCII'),default)
+        default.renumber().save_ASCII(tmp_path/'ASCII')
+        assert geom_equal(Geom.load_ASCII(tmp_path/'ASCII'),default.renumber())
 
     def test_invalid_origin(self,default):
         with pytest.raises(ValueError):