diff --git a/tag-tmux/tmux.conf b/tag-tmux/tmux.conf
index a980d24..3a5c3d0 100644
--- a/tag-tmux/tmux.conf
+++ b/tag-tmux/tmux.conf
@@ -39,9 +39,9 @@ bind-key b break-pane -d
 setw -g mode-keys vi
 
 # Setup 'v' to begin selection as in Vim
-bind-key -T copy-mode-vi v begin-selection
-bind-key -T copy-mode-vi y copy-pipe "reattach-to-user-namespace pbcopy"
+bind-key -T copy-mode-vi 'v' send -X begin-selection
+bind-key -T copy-mode-vi 'y' send -X copy-pipe "reattach-to-user-namespace pbcopy"
 
 # Update default binding of `Enter` to also use copy-pipe
 unbind -T copy-mode-vi Enter
-bind-key -T copy-mode-vi Enter copy-pipe "reattach-to-user-namespace pbcopy"
+bind-key -T copy-mode-vi 'Enter' send -X copy-pipe "reattach-to-user-namespace pbcopy"