diff --git a/reference/hosts/callisto/home.nix b/reference/hosts/callisto/home.nix
index d13edc6..b137741 100644
--- a/reference/hosts/callisto/home.nix
+++ b/reference/hosts/callisto/home.nix
@@ -1,7 +1,10 @@
+{ lib, ... }:
 {
   imports = [
     ../../users/youwen/hm.nix
   ];
 
   home.stateVersion = "24.05";
+
+  programs.hyprlock.settings.background.monitor = lib.mkForce "eDP-1";
 }