diff --git a/modules/nixos/core-desktop.nix b/modules/nixos/core-desktop.nix
index 7bc8fa95..227291e1 100644
--- a/modules/nixos/core-desktop.nix
+++ b/modules/nixos/core-desktop.nix
@@ -1,4 +1,5 @@
 {
+  config,
   lib,
   pkgs,
   ...
@@ -209,4 +210,9 @@
       emoji = ["Noto Color Emoji"];
     };
   };
+
+  environment.variables = {
+    # fix https://github.com/NixOS/nixpkgs/issues/238025
+    TZ = "${config.time.timeZone}";
+  };
 }