diff --git a/portal/tests/test_independent_student.py b/portal/tests/test_independent_student.py
index 0498d323a..ff79ef438 100644
--- a/portal/tests/test_independent_student.py
+++ b/portal/tests/test_independent_student.py
@@ -158,7 +158,7 @@ def test_signup_under_13_sends_parent_email(self, mock_send_dotdigital_email: Mo
         )
 
         assert response.status_code == 302
-        mock_send_dotdigital_email.assert_called_once_with(1551587, ANY)
+        mock_send_dotdigital_email.assert_called_once_with(1551587, ANY, personalization_values=ANY)
 
 
 # Class for Selenium tests. We plan to replace these and turn them into Cypress tests