1 files changed, 1 insertions, 1 deletions
diff --git a/pkgs/development/ocaml-modules/gtktop/default.nix b/pkgs/development/ocaml-modules/gtktop/default.nix
index ca0687882879..de0334c2a183 100644
--- a/pkgs/development/ocaml-modules/gtktop/default.nix
+++ b/pkgs/development/ocaml-modules/gtktop/default.nix
@@ -20,6 +20,6 @@ stdenv.mkDerivation {
     description = "A small OCaml library to ease the creation of graphical toplevels";
     license = stdenv.lib.licenses.lgpl3;
     maintainers = with stdenv.lib.maintainers; [ vbgl ];
-    platforms = ocaml.meta.platforms;
+    platforms = ocaml.meta.platforms or [];
   };
 }