diff --git a/laptop/configuration.nix b/laptop/configuration.nix
index 532a0042..5d213e02 100644
--- a/laptop/configuration.nix
+++ b/laptop/configuration.nix
@@ -22,7 +22,7 @@
   # Bootloader.
   boot.loader.systemd-boot.enable = true;
   boot.loader.efi.canTouchEfiVariables = true;
-  boot.cleanTmpDir = true;
+  boot.tmp.cleanOnBoot = true;
   # Plymouth splash screen 
   boot.plymouth.enable = true;
   boot.initrd.systemd.enable = true;