diff --git a/.tmux.conf##os.Linux b/.tmux.conf##os.Linux
index b33b93b..a6e0c61 100644
--- a/.tmux.conf##os.Linux
+++ b/.tmux.conf##os.Linux
@@ -19,7 +19,8 @@ bind | split-window -h
 bind - split-window -v
 
 # sync panes
-bind S setw synchronize-panes
+unbind b
+bind b setw synchronize-panes
 
 # setting vi mode
 set-window-option -g mode-keys vi
diff --git a/.tmux.conf##os.Linux,hostname.tower b/.tmux.conf##os.Linux,hostname.tower
index 1f35288..dc2aa36 100644
--- a/.tmux.conf##os.Linux,hostname.tower
+++ b/.tmux.conf##os.Linux,hostname.tower
@@ -18,11 +18,9 @@ unbind '"'
 bind | split-window -h
 bind - split-window -v
 
-# broadcast to panes
+# sync panes
 unbind b
-unbind B
-bind b setw synchronize-panes on
-bind B setw synchronize-panes off
+bind b setw synchronize-panes
 
 
 # status bar