diff --git a/hosts/slab/configuration.nix b/hosts/slab/configuration.nix
index e942091..6548b65 100644
--- a/hosts/slab/configuration.nix
+++ b/hosts/slab/configuration.nix
@@ -3,7 +3,7 @@
 # your system. Help is available in the configuration.nix(5) man page, on
 # https://search.nixos.org/options and in the NixOS manual (`nixos-help`).
 
-{ config, lib, pkgs, ... }:
+{ config, lib, pkgs, vars, ... }:
 
 {
   # nix.settings.experimental-features = ["nix-command" "flakes" ];
@@ -66,7 +66,7 @@
   # }}}
 
   # Set your time zone.
-  time.timeZone = "Europe/Amsterdam";
+  time.timeZone = vars.mobileTimeZone;
 
   # {{{ old config
   # Configure network proxy if necessary