diff --git a/sh/tmux.sh b/sh/tmux.sh
index fdc3429..6840a89 100644
--- a/sh/tmux.sh
+++ b/sh/tmux.sh
@@ -48,11 +48,11 @@ 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}\
 '