diff --git a/setuptools/tests/test_bdist_wheel.py b/setuptools/tests/test_bdist_wheel.py
index a20ebd0546..232b66d368 100644
--- a/setuptools/tests/test_bdist_wheel.py
+++ b/setuptools/tests/test_bdist_wheel.py
@@ -160,6 +160,7 @@
                 version="0.1",
                 description="A testing distribution \N{SNOWMAN}",
                 packages=["unicodedist"],
+                zip_safe=True,
             )
             """
         ),