1 files changed, 6 insertions, 1 deletions
diff --git a/pkgs/development/ocaml-modules/camomile/default.nix b/pkgs/development/ocaml-modules/camomile/default.nix
index 950d7f7fc8f2..48517036dc6d 100644
--- a/pkgs/development/ocaml-modules/camomile/default.nix
+++ b/pkgs/development/ocaml-modules/camomile/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, ocaml, findlib, camlp4}:
+{stdenv, fetchurl, fetchpatch, ocaml, findlib, camlp4}:
 
 stdenv.mkDerivation rec {
   name = "camomile-${version}";
@@ -9,6 +9,11 @@ stdenv.mkDerivation rec {
     sha256 = "003ikpvpaliy5hblhckfmln34zqz0mk3y2m1fqvbjngh3h2np045";
   };
 
+  patches = [ (fetchpatch {
+    url = https://raw.githubusercontent.com/ocaml/opam-repository/master/packages/camomile/camomile.0.8.5/files/4.05-typing-fix.patch;
+    sha256 = "167279lia6qx62mdcyc5rjsi4gf4yi52wn9mhgd9y1v3754z7fwb";
+  })];
+
   buildInputs = [ocaml findlib camlp4];
 
   createFindlibDestdir = true;