diff --git a/base.nix b/base.nix
index 31df8c1..9742519 100644
--- a/base.nix
+++ b/base.nix
@@ -103,6 +103,7 @@ in
     loader.grub.enable = lib.mkDefault true;
     kernelPackages = pkgs.linuxPackages_latest;
   };
+  tmp.cleanOnBoot = true;
   networking = {
     hostName = "${hostname}"; # Define your hostname.
     networkmanager.enable = true;