diff --git a/pkgs/development/ocaml-modules/ocamlnet/default.nix b/pkgs/development/ocaml-modules/ocamlnet/default.nix
index fc7640cc0c94..82747b7a8764 100644
--- a/pkgs/development/ocaml-modules/ocamlnet/default.nix
+++ b/pkgs/development/ocaml-modules/ocamlnet/default.nix
@@ -40,5 +40,6 @@ stdenv.mkDerivation {
     maintainers = [
       stdenv.lib.maintainers.z77z
     ];
+    broken = stdenv.lib.versionAtLeast ocaml.version "4.05";
   };
 }