diff --git a/profiles/disko/vm.nix b/profiles/disko/vm.nix
index 572913d..4d64883 100644
--- a/profiles/disko/vm.nix
+++ b/profiles/disko/vm.nix
@@ -34,7 +34,7 @@
           compression = "zstd";
         };
         mountpoint = null;
-        postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^tank@blank$' || zfs snapshot tank@blank";
+        postCreateHook = "zfs list -t snapshot -H -o name | grep -E '^tank@blank$' || zfs snapshot -r tank@blank && zfs holds -r tank@blank";
 
         datasets = {
           root = {
diff --git a/profiles/nixos/vm.nix b/profiles/nixos/vm.nix
index 6314d6d..c07cd0c 100644
--- a/profiles/nixos/vm.nix
+++ b/profiles/nixos/vm.nix
@@ -28,6 +28,7 @@ in
 
     # Admin users
     users.users.local = {
+      initialPassword = "local";
       extraGroups = [ "wheel" ];
       openssh.authorizedKeys.keys = [
         "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKKxoQSxfYqf9ITN8Fhckk8WbY4dwtBAXOhC9jxihJvq jan@bulthuis.dev"
@@ -40,7 +41,7 @@ in
     # Machine platform
     nixpkgs.hostPlatform = "x86_64-linux";
 
-    # Set hostid
+    # Set hostid for ZFS
     networking.hostId = "deadbeef";
 
     # Hardware configuration