diff --git a/pkgs/desktops/gnome/extensions/buildGnomeExtension.nix b/pkgs/desktops/gnome/extensions/buildGnomeExtension.nix
index a36251e81ec8..88d492cfcee0 100644
--- a/pkgs/desktops/gnome/extensions/buildGnomeExtension.nix
+++ b/pkgs/desktops/gnome/extensions/buildGnomeExtension.nix
@@ -55,6 +55,7 @@ let
       longDescription = description;
       homepage = link;
       license = lib.licenses.gpl2Plus; # https://wiki.gnome.org/Projects/GnomeShell/Extensions/Review#Licensing
+      platforms = lib.platforms.linux;
       maintainers = with lib.maintainers; [ ];
     };
     passthru = {