diff --git a/configuration.nix b/configuration.nix
index 7f4a9af..0cfc7d5 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -75,7 +75,7 @@ with pkgs;
   boot.tmp.cleanOnBoot = true;
 
   # Keep logs for a month
-  services.journald.extraConfig = "MaxRetentionSec=4week";
+  services.journald.settings.Journal.MaxRetentionSec = "4week";
 
   # Scrub zpool monthly
   services.zfs.autoScrub = {