diff --git a/hosts/FredOS-Gaming.nix b/hosts/FredOS-Gaming.nix
index 7ea9188..cee41f7 100644
--- a/hosts/FredOS-Gaming.nix
+++ b/hosts/FredOS-Gaming.nix
@@ -14,7 +14,7 @@
       geary
       wowup-cf
       adwsteamgtk
-      protonvpn-gui
+      proton-vpn
       onlyoffice-desktopeditors
       woeusb
     ];
diff --git a/hosts/FredOS-Macbook.nix b/hosts/FredOS-Macbook.nix
index 4622938..391e24a 100644
--- a/hosts/FredOS-Macbook.nix
+++ b/hosts/FredOS-Macbook.nix
@@ -9,7 +9,7 @@
       mission-center
       vlc
       geary
-      protonvpn-gui
+      proton-vpn
       onlyoffice-desktopeditors
       woeusb
       vscodium
diff --git a/settings/desktop.nix b/settings/desktop.nix
index e88e854..c74fdc0 100644
--- a/settings/desktop.nix
+++ b/settings/desktop.nix
@@ -19,7 +19,7 @@
     services.xserver.desktopManager.xfce.enable = true;
 
     # Thunar is pulled in by XFCE but we use Nemo instead.
-    environment.xfce.excludePackages = [ pkgs.xfce.thunar ];
+    environment.xfce.excludePackages = [ pkgs.thunar ];
 
     # Flatpak for ad-hoc app installs via Bazaar
     services.flatpak.enable = true;
@@ -52,6 +52,7 @@
       # Minimal titlebars — stylix manages the GTK theme; we layer our
       # headerbar shrink on top via stylix.targets.gtk.extraCss.
       gtk.enable = true;
+      gtk.gtk4.theme = null;
 
       dconf.settings."org/nemo/window-state".start-with-menu-bar = false;