diff --git a/.tmux.conf b/.tmux.conf
index 977faa1..654cc4f 100644
--- a/.tmux.conf
+++ b/.tmux.conf
@@ -18,4 +18,5 @@ bind-key k select-pane -U
 bind-key l select-pane -R
 
 # last window similar to screen
-bind-key C-a last-window
+bind-key b send-prefix
+bind-key C-b last-window