diff --git a/tmux.conf b/tmux.conf
index 8a5702d..5d322fa 100644
--- a/tmux.conf
+++ b/tmux.conf
@@ -4,7 +4,7 @@ unbind C-b
 set -g prefix C-z
 bind-key C-z send-prefix
 bind-key C command-prompt "new-window '%%'"
-#setw -g mode-keys vi
+setw -g mode-keys vi
 
 set -g default-command /bin/bash
 #set -g default-terminal screen-256color