diff --git a/certbot-ci/certbot_integration_tests/certbot_tests/test_main.py b/certbot-ci/certbot_integration_tests/certbot_tests/test_main.py
index 2827ae939..c9eca39d6 100644
--- a/certbot-ci/certbot_integration_tests/certbot_tests/test_main.py
+++ b/certbot-ci/certbot_integration_tests/certbot_tests/test_main.py
@@ -78,7 +78,12 @@ def test_registration_override(context: IntegrationTestsContext) -> None:
     context.certbot(['register', '--email', 'ex1@domain.org,ex2@domain.org'])
 
     context.certbot(['update_account', '--email', 'example@domain.org'])
+    stdout, _ = context.certbot(['show_account'])
+    assert 'example@domain.org' in stdout, "New email should be present"
     context.certbot(['update_account', '--email', 'ex1@domain.org,ex2@domain.org'])
+    stdout, _ = context.certbot(['show_account'])
+    assert 'example@domain.org' not in stdout, "Old email should not be present"
+    assert 'ex1@domain.org, ex2@domain.org' in stdout, "New emails should be present"
 
 
 def test_prepare_plugins(context: IntegrationTestsContext) -> None: