1 files changed, 1 insertions, 1 deletions
diff --git a/pkgs/development/ocaml-modules/lwt/default.nix b/pkgs/development/ocaml-modules/lwt/default.nix
index a018194a2ace..e8cdc180b729 100644
--- a/pkgs/development/ocaml-modules/lwt/default.nix
+++ b/pkgs/development/ocaml-modules/lwt/default.nix
@@ -29,7 +29,7 @@ stdenv.mkDerivation {
     homepage = http://ocsigen.org/lwt;
     description = "Lightweight thread library for Objective Caml";
     license = licenses.lgpl21;
-    platforms = ocaml.meta.platforms;
+    platforms = ocaml.meta.platforms or [];
     maintainers = with maintainers; [
       z77z vbgl gal_bolle
     ];