diff --git a/hardware-configuration.nix b/hardware-configuration.nix
index 3fb0722..81a2f61 100644
--- a/hardware-configuration.nix
+++ b/hardware-configuration.nix
@@ -7,7 +7,7 @@
   imports = [ ];
 
   boot = {
-    cleanTmpDir = true;
+    tmp.cleanOnBoot = true;
     kernelModules = [ "cma=256M" ];
     extraModulePackages = [ ];