diff --git a/pkgs/development/ocaml-modules/wasm/default.nix b/pkgs/development/ocaml-modules/wasm/default.nix
index bf7fcb66fe5c..6b0008912906 100644
--- a/pkgs/development/ocaml-modules/wasm/default.nix
+++ b/pkgs/development/ocaml-modules/wasm/default.nix
@@ -1,6 +1,7 @@
 { stdenv, lib, fetchFromGitHub, ocaml, findlib, ocamlbuild }:
 
 if !lib.versionAtLeast ocaml.version "4.02"
+|| lib.versionOlder "4.13" ocaml.version
 then throw "wasm is not available for OCaml ${ocaml.version}"
 else