diff --git a/watchtower.nix b/watchtower.nix
index 666d6aa..f9bcd05 100644
--- a/watchtower.nix
+++ b/watchtower.nix
@@ -1,9 +1,9 @@
-{ ... }:
+{ config, ... }:
 {
   virtualisation.oci-containers.containers.watchtower = {
     image = "containrrr/watchtower:latest";
     volumes = [
-      "/etc/zoneinfo/America/Chicago:/etc/localtime:ro"
+      "/etc/zoneinfo/${config.time.timeZone}:/etc/localtime:ro"
       "/var/run/docker.sock:/var/run/docker.sock"
     ];
     environment = {WATCHTOWER_SCHEDULE = "0 0 3 * * *";};