diff --git a/pkgs/development/ocaml-modules/systemd/default.nix b/pkgs/development/ocaml-modules/systemd/default.nix
index f729601d3a74..ce6410a282bd 100644
--- a/pkgs/development/ocaml-modules/systemd/default.nix
+++ b/pkgs/development/ocaml-modules/systemd/default.nix
@@ -16,7 +16,7 @@ buildDunePackage {
   minimalOCamlVersion = "4.06";
   propagatedBuildInputs = [ systemdLibs ];
   meta = {
-    platform = lib.platforms.linux;
+    platforms = lib.platforms.linux;
     description = "OCaml module for native access to the systemd facilities";
     license = lib.licenses.lgpl3Only;
     maintainers = [ lib.maintainers.atagen ];