diff --git a/tmux.conf b/tmux.conf
index 17e88c4..df29f6f 100755
--- a/tmux.conf
+++ b/tmux.conf
@@ -4,7 +4,7 @@ set -g set-clipboard external
 set -g escape-time 10 # https://www.johnhawthorn.com/2012/09/vi-escape-delays/
 set-option -g status-position top
 set-window-option -g allow-rename off
-set allow-rename off
+set -g allow-rename off
  
 # remap prefix from 'C-b' to 'C-x', 0x18 hex code for iterm2
 unbind C-b