diff --git a/tests/lang/eval-fail-to-path.nix b/tests/lang/eval-fail-to-path.nix
new file mode 100644
index 000000000..5e322bc31
--- /dev/null
+++ b/tests/lang/eval-fail-to-path.nix
@@ -0,0 +1 @@
+builtins.toPath "foo/bar"