1 files changed, 1 insertions, 1 deletions
diff --git a/pkgs/development/ocaml-modules/iso8601/default.nix b/pkgs/development/ocaml-modules/iso8601/default.nix
index 4b194332d086..0aad6f7b13bb 100644
--- a/pkgs/development/ocaml-modules/iso8601/default.nix
+++ b/pkgs/development/ocaml-modules/iso8601/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation {
     homepage = http://sagotch.github.io/ISO8601.ml/;
     description = "ISO 8601 and RFC 3999 date parsing for OCaml";
     license = stdenv.lib.licenses.mit;
-    platforms = ocaml.meta.platforms;
+    platforms = ocaml.meta.platforms or [];
     maintainers = with stdenv.lib.maintainers; [ vbgl ];
   };
 }