diff --git a/tmux.conf b/tmux.conf
index bdada25..b78b2e3 100644
--- a/tmux.conf
+++ b/tmux.conf
@@ -29,8 +29,7 @@ bind c new-window
 bind x kill-pane
 bind C-x kill-window
 bind M-x kill-session
-bind c-s set -w synchronize-panes
-bind c-S set -g synchronize-panes
+bind C-s set synchronize-panes
 
 # pane
 #set -g pane-border-status top