diff --git a/tests/test_fs.py b/tests/test_fs.py
index 1edcffe..23d95d0 100644
--- a/tests/test_fs.py
+++ b/tests/test_fs.py
@@ -88,5 +88,5 @@ class TestPrependPath:
     )
     def test_prepend_path(self, env, expected):
         """Success case: test prepend_path for unset and existing variables."""
-        prepend_path(self.var, "/path/to/bar", env=env)
+        prepend_path(self.var, self.new_path, env=env)
         assert env[self.var] == expected