diff --git a/flake.nix b/flake.nix
index fb6f8a3..d32591c 100644
--- a/flake.nix
+++ b/flake.nix
@@ -129,6 +129,7 @@
       # Real systems
       nixosConfigurations = {
         levitation = makeNixosSystem {
+          ourNixpkgs = nixpkgs-unstable;
           system = "x86_64-linux";
           hostName = "levitation";
           extraModules = [
diff --git a/home-manager/linux/programs/communications.nix b/home-manager/linux/programs/communications.nix
index d92038a..e610de9 100644
--- a/home-manager/linux/programs/communications.nix
+++ b/home-manager/linux/programs/communications.nix
@@ -62,7 +62,8 @@
         # Desktop telegram client
         tdesktop
         # Desktop mastodon client
-        tootle
+        # TODO: Reenable when unbroken on unstable
+        # tootle
         # zulip
         unstable.zulip
         zulipWayland
diff --git a/modules/linux/hardware.nix b/modules/linux/hardware.nix
index 374325e..bf8114e 100644
--- a/modules/linux/hardware.nix
+++ b/modules/linux/hardware.nix
@@ -20,10 +20,7 @@ in with lib; {
         onBoot = "ignore";
         onShutdown = "shutdown";
         qemu = {
-          ovmf = {
-            enable = true;
-            package = pkgs.OVMFFull;
-          };
+          ovmf = { enable = true; };
           runAsRoot = true;
           swtpm.enable = true;
         };
diff --git a/modules/linux/swaywm.nix b/modules/linux/swaywm.nix
index c193a36..a937e21 100644
--- a/modules/linux/swaywm.nix
+++ b/modules/linux/swaywm.nix
@@ -50,8 +50,7 @@ in with lib; {
         };
       })
     ];
-    # Enable QT themeing
-    programs.qt5ct.enable = true;
+    qt5.platformTheme = "qt5ct";
     # Enable and configure sway itself
     programs.sway = {
       enable = true;