diff --git a/pkgs/tools/X11/xlayoutdisplay/default.nix b/pkgs/tools/X11/xlayoutdisplay/default.nix
index c8cef8d5cb3..30903e44856 100644
--- a/pkgs/tools/X11/xlayoutdisplay/default.nix
+++ b/pkgs/tools/X11/xlayoutdisplay/default.nix
@@ -31,5 +31,6 @@ stdenv.mkDerivation rec {
     homepage = https://github.com/alex-courtis/xlayoutdisplay;
     maintainers = with maintainers; [ dtzWill ];
     license = licenses.asl20;
+    platforms = platforms.linux;
   };
 }