diff --git a/tests/test_envelope_shape.py b/tests/test_envelope_shape.py
index 81651bc..908175a 100644
--- a/tests/test_envelope_shape.py
+++ b/tests/test_envelope_shape.py
@@ -19,7 +19,7 @@ def test_values_are_replaced_by_their_types() -> None:
 
 
 def test_names_numbers_and_uuids_do_not_survive() -> None:
-    shape = shape_of(envelope(text="hi", sender=("b1c2d3e4-0000", "kuhy")))
+    shape = shape_of(envelope(text="hi", sender=("b1c2d3e4-0000", "somebody")))
     assert "b1c2d3e4" not in shape
     assert "kuhy" not in shape
     assert "+15555550123" not in shape