diff --git a/hosts/sparky/default.nix b/hosts/sparky/default.nix
index 8be4f6a..7b536de 100644
--- a/hosts/sparky/default.nix
+++ b/hosts/sparky/default.nix
@@ -11,7 +11,7 @@
   diskLayout = {
     mainDiskDevice = "/dev/disk/by-id/nvme-Samsung_SSD_970_EVO_Plus_250GB_S4EUNF0MA33640P";
     #keyDiskDevice = "/dev/disk/by-id/usb-Intenso_Micro_Line_22080777660468-0:0";
-    keyDiskDevice = "/dev/sdb";
+    keyDiskDevice = "/dev/sda";
   };
 
   networking.hostName = "sparky";