1 files changed, 5 insertions, 3 deletions
diff --git a/pkgs/development/ocaml-modules/ocplib-simplex/default.nix b/pkgs/development/ocaml-modules/ocplib-simplex/default.nix
index eb25982a69b3..1c09edf3a7ea 100644
--- a/pkgs/development/ocaml-modules/ocplib-simplex/default.nix
+++ b/pkgs/development/ocaml-modules/ocplib-simplex/default.nix
@@ -2,7 +2,7 @@
 
 let
   pname = "ocplib-simplex";
-  version = "0.3";
+  version = "0.4";
 in
 
 stdenv.mkDerivation {
@@ -11,13 +11,15 @@ stdenv.mkDerivation {
   src = fetchFromGitHub {
     owner = "OCamlPro-Iguernlala";
     repo = pname;
-    rev = version;
-    sha256 = "1fmz38w2cj9fny4adqqyil59dvndqkr59s7wk2gqs47r72b6sisa";
+    rev = "v${version}";
+    sha256 = "09niyidrjzrj8g1qwx4wgsdf5m6cwrnzg7zsgala36jliic4di60";
   };
 
   nativeBuildInputs = [ autoreconfHook ];
   buildInputs = [ ocaml findlib ];
 
+  installFlags = "LIBDIR=$(OCAMLFIND_DESTDIR)";
+
   createFindlibDestdir = true;
 
   meta = {