diff --git a/home/tmux/default.nix b/home/tmux/default.nix
index 15becfb..88b35fb 100644
--- a/home/tmux/default.nix
+++ b/home/tmux/default.nix
@@ -1,7 +1,10 @@
 { config, lib, pkgs, ... }:
 let
   cfg = config.my.home.tmux;
-  hasGUI = config.my.home.x.enable || (config.my.home.wm != null);
+  hasGUI = lib.any lib.id [
+    config.my.home.x.enable
+    (config.my.home.wm.windowManager != null)
+  ];
 in
 {
   options.my.home.tmux = with lib.my; {