diff --git a/modules/services/monitoring/smartd.nix b/modules/services/monitoring/smartd.nix
index 94a01eafc57..fc3626a3048 100644
--- a/modules/services/monitoring/smartd.nix
+++ b/modules/services/monitoring/smartd.nix
@@ -73,6 +73,8 @@ in
     jobs.smartd =
       { description = "S.M.A.R.T. Daemon";
 
+        environment.TZ = config.time.timeZone;
+
         startOn = "started syslogd";
 
         daemonType = "daemon";