diff --git a/nixos/boxes/foureighty.nix b/nixos/boxes/foureighty.nix
index 9b21c823..70daf8cc 100644
--- a/nixos/boxes/foureighty.nix
+++ b/nixos/boxes/foureighty.nix
@@ -40,6 +40,7 @@
     ../gfx-intel.nix
     ../zerotier.nix
     ../i3/system.nix
+    ../virtualbox.nix
   ];
 
   nix.maxJobs = 2;
diff --git a/nixos/virtualbox.nix b/nixos/virtualbox.nix
index 11467b2a..ca13b1cd 100644
--- a/nixos/virtualbox.nix
+++ b/nixos/virtualbox.nix
@@ -4,6 +4,6 @@
     enable = true;
     enableExtensionPack = true;
     enableHardening = true;
-    package = pkgs.virtualbox.override { enable32bitGuests = false; };
+    package = pkgs.unstable.virtualbox.override { enable32bitGuests = false; };
   };
 }