diff --git a/tests/test_enterprise_mode_guard.py b/tests/test_enterprise_mode_guard.py
index 74d7e5a..c916342 100644
--- a/tests/test_enterprise_mode_guard.py
+++ b/tests/test_enterprise_mode_guard.py
@@ -94,7 +94,7 @@ async def test_guard_blocks_real_email_in_tool_result(
                         {
                             "type": "tool_result",
                             "tool_use_id": "tu_1",
-                            "content": '{"email":"victim@megacorp.fake"}',
+                            "content": '{"email":"victim@gmail.com"}',
                         }
                     ],
                 },