diff --git a/modules/desktop/gnome-minimal.nix b/modules/desktop/gnome-minimal.nix
index aa40be0..555ec23 100644
--- a/modules/desktop/gnome-minimal.nix
+++ b/modules/desktop/gnome-minimal.nix
@@ -14,6 +14,12 @@ in
 {
   xdg.portal = {
     enable = true;
+    config = {
+      common = {
+        # Ensure GNOME backend handles file dialogs for Electron apps.
+        default = "gnome";
+      };
+    };
     extraPortals = [
       pkgs.xdg-desktop-portal-gnome
       pkgs.xdg-desktop-portal-gtk