diff --git a/app/main/views/manage_users.py b/app/main/views/manage_users.py
index 8c954b767..8ddec98af 100644
--- a/app/main/views/manage_users.py
+++ b/app/main/views/manage_users.py
@@ -69,7 +69,8 @@ def invite_user(service_id):
     return render_template(
         'views/invite-user.html',
         form=form,
-        service_has_email_auth=service_has_email_auth
+        service_has_email_auth=service_has_email_auth,
+        mobile_number=True,
     )
 
 
diff --git a/tests/app/main/views/test_manage_users.py b/tests/app/main/views/test_manage_users.py
index 0ddf73223..2083e7550 100644
--- a/tests/app/main/views/test_manage_users.py
+++ b/tests/app/main/views/test_manage_users.py
@@ -372,6 +372,19 @@ def test_should_show_page_for_one_user(
         assert checkboxes[index].has_attr('checked') == expected_checked
 
 
+def test_invite_user_allows_to_choose_auth(
+    client_request,
+    mock_get_users_by_service,
+    mock_get_template_folders,
+    service_one,
+):
+    service_one['permissions'].append('email_auth')
+    page = client_request.get('main.invite_user', service_id=SERVICE_ONE_ID)
+
+    sms_auth_radio_button = page.select_one('input[value="sms_auth"]')
+    assert sms_auth_radio_button.has_attr("disabled") is False
+
+
 def test_should_not_show_page_for_non_team_member(
     client_request,
     mock_get_users_by_service,