diff --git a/src/lib/uTop.cppo.ml b/src/lib/uTop.cppo.ml
index 229ba2e..230eb6d 100644
--- a/src/lib/uTop.cppo.ml
+++ b/src/lib/uTop.cppo.ml
@@ -268,7 +268,7 @@ let parse_default parse str eos_is_error =
           Error ([mkloc loc],
                  Printf.sprintf "Error: broken invariant in parsetree: %s" s)
 #endif
-#if OCAML_VERSION >= (4, 04, 0)
+#if OCAML_VERSION >= (4, 03, 0)
       | Syntaxerr.Invalid_package_type (loc, s) ->
           Error ([mkloc loc],
                  Printf.sprintf "Invalid package type: %s" s)