diff --git a/hosts/lappy-surface/hardware.nix b/hosts/lappy-surface/hardware.nix
index 4ad7341..8197cf9 100644
--- a/hosts/lappy-surface/hardware.nix
+++ b/hosts/lappy-surface/hardware.nix
@@ -18,6 +18,7 @@
       "rtsx_pci_sdmmc"
     ];
     kernelModules = ["kvm-intel"];
+    encryptedDrive.mode = "password";
   };
 
   hardware.cpu.intel.updateMicrocode = true;