diff --git a/sh/tmux.sh b/sh/tmux.sh
index dd5150c..ebea101 100644
--- a/sh/tmux.sh
+++ b/sh/tmux.sh
@@ -31,8 +31,9 @@ set -g renumber-windows on
 #set-option -g pane-active-border-style bg=black,fg=green
 #set-option -g pane-border-style bg=black,fg=gray
 
-#set-option -g prefix C-b
-#set-option -g prefix2 F12
+# prefix with ^B or F12
+set-option -g prefix C-b
+set-option -g prefix2 F12
 
 #setw -g monitor-activity on
 #setw -g monitor-silence 0