diff --git a/tests/test_build.py b/tests/test_build.py
index f1b89fcc..4d57b53f 100644
--- a/tests/test_build.py
+++ b/tests/test_build.py
@@ -79,7 +79,7 @@ def test_build_package_with_unicode(copy_sample):
     files = [
         'pyproject.toml', 
         'packageunicode/__init__.py', 
-        u'packageunicode/No\u00ebl.jpg',
+        u'packageunicode/No\\u00ebl.jpg',
     ]
     print('\\0'.join(files), end='\\0')
 """