diff --git a/portainer.nix b/portainer.nix
index 2ced680..0fd0c70 100644
--- a/portainer.nix
+++ b/portainer.nix
@@ -1,4 +1,4 @@
-{ ... }:
+{ config, ... }:
 {
   virtualisation.oci-containers.containers.portainer-agent = {
     image = "portainer/agent:latest";  # Use the latest Portainer agent image
@@ -6,7 +6,7 @@
       "9001:9001"  # Expose the Portainer agent API port
     ];
     volumes = [
-      "/etc/zoneinfo/America/Chicago:/etc/localtime:ro"
+      "/etc/zoneinfo/${config.time.timeZone}:/etc/localtime:ro"
       "/var/run/docker.sock:/var/run/docker.sock"
     ];
   };