diff --git a/machines/nixos/x86_64-linux/homix/configuration.nix b/machines/nixos/x86_64-linux/homix/configuration.nix
index f3382e0..b5793f2 100644
--- a/machines/nixos/x86_64-linux/homix/configuration.nix
+++ b/machines/nixos/x86_64-linux/homix/configuration.nix
@@ -157,6 +157,8 @@
       pkgs.xdg-desktop-portal-gtk
       pkgs.xdg-desktop-portal-wlr
     ];
+    # TODO: research <https://github.com/flatpak/xdg-desktop-portal/blob/1.18.1/doc/portals.conf.rst.in>
+    config.common.default = "*";
   };
 
   ## X11 specific