diff --git a/profiles/host_common.nix b/profiles/host_common.nix
index 250f50d..ca99280 100644
--- a/profiles/host_common.nix
+++ b/profiles/host_common.nix
@@ -16,9 +16,7 @@
   ];
 
   # Common boot settings
-  boot = {
-    cleanTmpDir = true; # Clean /tmp on reboot
-  };
+  boot.tmp.cleanOnBoot = true; # Clean /tmp on reboot
 
   # Select internationalisation properties.
   i18n = {