diff --git a/users/simon/modules/sway.nix b/users/simon/modules/sway.nix
index 05e3dbb..029b36b 100644
--- a/users/simon/modules/sway.nix
+++ b/users/simon/modules/sway.nix
@@ -247,7 +247,7 @@ lib.mkIf nixosConfig.sbruder.gui.enable {
   programs.zsh.initExtra = ''
     if [[ -z $WAYLAND_DISPLAY ]] && [[ $(tty) = /dev/tty1 ]]; then
         export XDG_SESSION_TYPE="wayland" # otherwise set to tty
-        unset __HM_SESS_VARS_SOURCED # otherwise sessionVariables are not updated
+        unset __HM_SESS_VARS_SOURCED __NIXOS_SET_ENVIRONMENT_DONE # otherwise sessionVariables are not updated
         exec systemd-cat -t sway sway
     fi
   '';