diff --git a/tmux.normal.conf b/tmux.normal.conf
index bf70c71..9e02f30 100644
--- a/tmux.normal.conf
+++ b/tmux.normal.conf
@@ -122,9 +122,9 @@ bind C-v run "xclip -o | tmux load-buffer - ; tmux paste-buffer"
 bind C-y run "tmux show-buffer | xclip -sel clip"
 #
 # (copy mode) v,y and escape to select, copy and cancel respectively
-bind -t vi-copy y copy-selection
-bind -t vi-copy v begin-selection
-bind -t vi-copy Escape cancel
+bind -Tcopy-mode-vi y send -X copy-selection
+bind -Tcopy-mode-vi v send -X begin-selection
+bind -Tcopy-mode-vi Escape send -X cancel
 #
 # bind <alt>[0-9] to switching directly to the respective window
 bind -n M-1 select-window -t 1
diff --git a/tmux.powerline.conf b/tmux.powerline.conf
index ab0b6eb..0cb8904 100644
--- a/tmux.powerline.conf
+++ b/tmux.powerline.conf
@@ -122,9 +122,9 @@ bind C-v run "xclip -o | tmux load-buffer - ; tmux paste-buffer"
 bind C-y run "tmux show-buffer | xclip -sel clip"
 #
 # (copy mode) v,y and escape to select, copy and cancel respectively
-bind -t vi-copy y copy-selection
-bind -t vi-copy v begin-selection
-bind -t vi-copy Escape cancel
+bind -Tcopy-mode-vi y send -X copy-selection
+bind -Tcopy-mode-vi v send -X begin-selection
+bind -Tcopy-mode-vi Escape send -X cancel
 #
 # bind <alt>[0-9] to switching directly to the respective window
 bind -n M-1 select-window -t 1