diff --git a/nixos/hosts/nixos-osaka-vultr-01/disks.nix b/nixos/hosts/nixos-osaka-vultr-01/disks.nix
index dbf74a73..ceba85a1 100644
--- a/nixos/hosts/nixos-osaka-vultr-01/disks.nix
+++ b/nixos/hosts/nixos-osaka-vultr-01/disks.nix
@@ -1,7 +1,7 @@
 {
   disko.devices = {
     disk = {
-      vdb = {
+      vda = {
         type = "disk";
         device = "/dev/vda";
         content = {