diff --git a/cfl_common/common/tests/utils/teacher.py b/cfl_common/common/tests/utils/teacher.py
index bd6474e75..d4ffe677c 100644
--- a/cfl_common/common/tests/utils/teacher.py
+++ b/cfl_common/common/tests/utils/teacher.py
@@ -34,8 +34,8 @@ def signup_teacher_directly(preverified=True, **kwargs):
     return email_address, password
 
 
-@patch("common.helpers.emails.send_dotdigital_email")
-def signup_duplicate_teacher_fail(page, mock_send_dotdigital_email, duplicate_email=None):
+@patch("portal.views.home.send_dotdigital_email")
+def signup_duplicate_teacher_fail(page, mock_send_dotdigital_email: Mock, duplicate_email=None):
     page = page.go_to_signup_page()
 
     first_name, last_name, email_address, password = generate_details()
diff --git a/portal/tests/test_independent_student.py b/portal/tests/test_independent_student.py
index 2932c9056..e0a7f917d 100644
--- a/portal/tests/test_independent_student.py
+++ b/portal/tests/test_independent_student.py
@@ -228,6 +228,8 @@ def test_signup_duplicate_email_failure(self, mock_send_dotdigital_email: Mock):
         page, _, _, email, _ = create_independent_student(page)
         assert is_email_verified_message_showing(self.selenium)
 
+        mock_send_dotdigital_email.assert_called()
+
         login_link = mock_send_dotdigital_email.call_args.kwargs["personalization_values"]["LOGIN_URL"]
 
         page = self.go_to_homepage()