diff --git a/backend/experiment/rules/speech2song.py b/backend/experiment/rules/speech2song.py
index 0da341379..a8c4323dc 100644
--- a/backend/experiment/rules/speech2song.py
+++ b/backend/experiment/rules/speech2song.py
@@ -154,7 +154,7 @@ def next_round(self, session):
             return Final(
                 title=_('End of experiment'),
                 session=session,
-                score_message=_(
+                final_text=_(
                     'Thank you for contributing your time to science!')
             )
         if session.current_round % 2 == 0: