diff --git a/nixos/boxes/foureighty.nix b/nixos/boxes/foureighty.nix
index f1bb2c2b..d536c2a4 100644
--- a/nixos/boxes/foureighty.nix
+++ b/nixos/boxes/foureighty.nix
@@ -3,7 +3,7 @@
 
   networking.hostName = "foureighty";
   boot = {
-    kernelPackages = pkgs.linuxPackages_latest_hardened;
+    kernelPackages = pkgs.linuxPackages_hardened;
     extraModulePackages = with config.boot.kernelPackages; [ wireguard ];
 
     initrd.kernelModules = [ "i915" ];
@@ -52,5 +52,6 @@
       ../boot.nix
       ../common.nix
       ../gfx-intel.nix
+      ../virtualbox.nix
     ];
   }
diff --git a/nixos/shell-config.nix b/nixos/shell-config.nix
index 08cabe99..a1f195e7 100644
--- a/nixos/shell-config.nix
+++ b/nixos/shell-config.nix
@@ -3,5 +3,8 @@
     "webkitgtk-2.4.11"
   ];
   allowUnfree = true;
+  packageOverrides = pkgs: {
+    vaapiIntel = pkgs.vaapiIntel.override { enableHybridCodec = true; };
+  };
 }