diff --git a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.proximate/proximate.pass.cpp b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.proximate/proximate.pass.cpp
--- a/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.proximate/proximate.pass.cpp
+++ b/libcxx/test/std/input.output/filesystems/fs.op.funcs/fs.op.proximate/proximate.pass.cpp
@@ -71,7 +71,7 @@
       {cwd, "a", ".."},
       {parent_cwd, "a", "../.."},
       {"a", cwd, "a"},
-      {"a", parent_cwd, "fs.op.proximate/a"},
+      {"a", parent_cwd, cwd.filename() / "a"},
       {"/", "a", dot_dot_to_root / ".."},
       {"/", "a/b", dot_dot_to_root / "../.."},
       {"/", "a/b/", dot_dot_to_root / "../.."},