diff --git a/nixos/hosts/wheatley/configuration.nix b/nixos/hosts/wheatley/configuration.nix
index 1c45303..c63ac2a 100644
--- a/nixos/hosts/wheatley/configuration.nix
+++ b/nixos/hosts/wheatley/configuration.nix
@@ -18,7 +18,7 @@
 
   boot.loader.generic-extlinux-compatible.enable = true;
   boot.loader.grub.enable = false;
-  boot.cleanTmpDir = true;
+  boot.tmp.cleanOnBoot = true;
 
   # boot.extraModulePackages = [
   #   (pkgs.callPackage ./rtl8189es.nix {