diff --git a/packages/stdlib-shims/stdlib-shims.0.1.0/opam b/packages/stdlib-shims/stdlib-shims.0.1.0/opam
index 26a79bb1cf5..0d1079d893b 100644
--- a/packages/stdlib-shims/stdlib-shims.0.1.0/opam
+++ b/packages/stdlib-shims/stdlib-shims.0.1.0/opam
@@ -10,7 +10,7 @@ license: ["typeof OCaml system"]
 depends: [
   "ocaml" {>="4.02.3"}
   "dune"
- ("dune" {>= "2.7.0"} | "ocaml" {<"4.12.0~~"})
+ ("dune" {>= "2.7.0"} | "dune" & "ocaml" {<"4.12.0~~"})
 ]
 build: [ "dune" "build" "-p" name "-j" jobs ]
 synopsis: "Backport some of the new stdlib features to older compiler"