diff --git a/modules/desktop/gnome-minimal.nix b/modules/desktop/gnome-minimal.nix
index 555ec23..c3c8185 100644
--- a/modules/desktop/gnome-minimal.nix
+++ b/modules/desktop/gnome-minimal.nix
@@ -16,8 +16,9 @@ in
     enable = true;
     config = {
       common = {
-        # Ensure GNOME backend handles file dialogs for Electron apps.
+        # Use GTK portal for file chooser to avoid hard dependency on Nautilus.
         default = "gnome";
+        "org.freedesktop.impl.portal.FileChooser" = "gtk";
       };
     };
     extraPortals = [