diff --git a/interfaces/python/ctml_writer.py b/interfaces/python/ctml_writer.py
index 701f86534..e7f168c42 100644
--- a/interfaces/python/ctml_writer.py
+++ b/interfaces/python/ctml_writer.py
@@ -1928,7 +1928,7 @@ class stoichiometric_liquid(stoichiometric_solid):
         See :class:`.phase` for descriptions of the parameters.
         """
         stoichiometric_solid.__init__(self, name, elements,
-                                      species, density, transport,
+                                      species, note, density, transport,
                                       initial_state, options)