diff --git a/.tmux.conf2 b/.tmux.conf2
index edcb127..b026223 100644
--- a/.tmux.conf2
+++ b/.tmux.conf2
@@ -28,6 +28,7 @@ bind | split-window -h -c "#{pane_current_path}"
 bind r source-file ~/.tmux.conf \; display-message "tmux.conf reloaded"
 bind m run 'old=$(tmux show -gv mouse); new="off"; if [ "$old" = "off" ]; then new="on"; fi; tmux set -g mouse $new && tmux display-message toggle\ mouse\ mode\ $new'
 bind C-x set-window-option synchronize-panes\; display-message "synchronize-panes is now #{?pane_synchronized,on,off}"
+bind -T copy-mode-vi MouseDragEnd1Pane send-keys -X copy-selection -x
 
 # styles
 # status bar