diff --git a/hosts/cube/hardware-configuration.nix b/hosts/cube/hardware-configuration.nix
index f5aec2b7..f14aff1f 100644
--- a/hosts/cube/hardware-configuration.nix
+++ b/hosts/cube/hardware-configuration.nix
@@ -14,7 +14,6 @@
 
   boot.loader.grub = {
     enable = true;
-    version = 2;
     device = "/dev/disk/by-id/usb-HP_iLO_Internal_SD-CARD_000002660A01-0:0";
   };
 
@@ -25,6 +24,8 @@
 
   boot.initrd.luks.devices."cryptroot" = {
     device = "/dev/disk/by-uuid/24ddd650-e9fc-4407-ba4c-cc237de4c484";
+    keyFile = "/dev/disk/by-id/usb-Kingston_DataTraveler_3.0_E0D55E625BE3E72078790030-0:0-part1";
+    fallbackToPassword = true;
     bypassWorkqueues = true;
   };