diff --git a/sh/tmux.sh b/sh/tmux.sh
index eb7dbb7..fdc3429 100644
--- a/sh/tmux.sh
+++ b/sh/tmux.sh
@@ -48,11 +48,12 @@ set-option -g set-titles on
 # set title to working directory
 set-option -g set-titles-string '\
 #{session_name}\
-  /  \
+  ⋅  \
 #{window_index}∕#{session_windows} #{window_name}\
-  /  \
+  ⋅  \
 #{pane_index}∕#{window_panes} #{pane_current_command}\
-  (#{pane_width}×#{pane_height})\
+  ⋅  \
+#{pane_width}×#{pane_height}\
 '
 
 # status lines