diff --git a/compiler/tests-ocaml/lib-unix/common/append.ml b/compiler/tests-ocaml/lib-unix/common/append.ml
index accb3d5968..c0190c9636 100644
--- a/compiler/tests-ocaml/lib-unix/common/append.ml
+++ b/compiler/tests-ocaml/lib-unix/common/append.ml
@@ -27,6 +27,7 @@ let append () =
   Unix.close fd
 
 let () =
+  (try Unix.unlink "append.txt" with Unix.(Unix_error (ENOENT, _, _)) -> ());
   append ();
   append ();
   let fd = Unix.openfile "append.txt" [ Unix.O_RDONLY ] 0o644 in