diff --git a/dotfiles/.tmux.conf b/dotfiles/.tmux.conf
index 36a2f9c..8cd705e 100644
--- a/dotfiles/.tmux.conf
+++ b/dotfiles/.tmux.conf
@@ -25,6 +25,10 @@ bind -n M-z resize-pane -Z
 bind -n M-n next-window
 bind -n M-p previous-window
 
+bind -n M-[ copy-mode
+# toggle mouse mode
+bind -n M-m set -g mouse
+
 set -g default-terminal "screen-256color"
 #set-option -ga terminal-overrides ",screen-256color:Tc"