diff --git a/pkgs/development/ocaml-modules/magick/default.nix b/pkgs/development/ocaml-modules/magick/default.nix
index 021962154bd..ca6ab458fff 100644
--- a/pkgs/development/ocaml-modules/magick/default.nix
+++ b/pkgs/development/ocaml-modules/magick/default.nix
@@ -1,5 +1,9 @@
 { stdenv, fetchurl, which, pkgconfig, ocaml, findlib, imagemagick }:
 
+if stdenv.lib.versionAtLeast ocaml.version "4.06"
+then throw "magick is not available for OCaml ${ocaml.version}"
+else
+
 stdenv.mkDerivation {
   name = "ocaml-magick-0.34";
   src = fetchurl {