diff --git a/configuration/environment.nix b/configuration/environment.nix
index e9d147f..7bc17ee 100644
--- a/configuration/environment.nix
+++ b/configuration/environment.nix
@@ -21,7 +21,7 @@ in
   #security.grsecurity.enable = true;
 
   # Ménage de /tmp au boot
-  boot.cleanTmpDir = true;
+  boot.tmp.cleanOnBoot = true;
 
   # Activation des pages de manuel
   documentation.man.enable = true;