diff --git a/profiles/graphical/sway/default.nix b/profiles/graphical/sway/default.nix
index 5991fbcb..ea31c5d0 100644
--- a/profiles/graphical/sway/default.nix
+++ b/profiles/graphical/sway/default.nix
@@ -51,7 +51,7 @@ in {
     "xdg/waybar".source = ./waybar;
   };
 
-  programs.tmux.extraTmuxConf = lib.mkBefore ''
+  programs.tmux.extraConfig = lib.mkBefore ''
     set -g @override_copy_command 'wl-copy'
   '';