diff --git a/home-manager/features/cli/zsh/default.nix b/home-manager/features/cli/zsh/default.nix
index 825433c..c9bc39f 100644
--- a/home-manager/features/cli/zsh/default.nix
+++ b/home-manager/features/cli/zsh/default.nix
@@ -39,7 +39,8 @@ in {
       [[ ! -f ${./p10k.zsh} ]] || source ${./p10k.zsh}
       eval "$(zoxide init --cmd cd zsh)"
       if [ -x "$(command -v tmux)" ] && [ -n "$DISPLAY" ] && [ -z "$TMUX" ]; then
-        exec tmux new-session -A -s $USER >/dev/null 2>&1
+        # exec tmux new-session -A -s $USER >/dev/null 2>&1
+        exec tmux new-session -t $USER >/dev/null 2>&1 | tmux new-session -A -s $USER >/dev/null 2>&1
       fi
     '';
   };
diff --git a/home-manager/features/tmux.nix b/home-manager/features/tmux.nix
index 2da88eb..3acf961 100644
--- a/home-manager/features/tmux.nix
+++ b/home-manager/features/tmux.nix
@@ -13,9 +13,6 @@
       yank
     ];
     extraConfig = ''
-      # reattach userspaces
-      set -g default-command "reattach-to-user-namespace -l zsh"
-
       # history limit
       set -g history-limit 5000