diff --git a/sh/tmux.sh b/sh/tmux.sh
index 3349144..9d3777e 100644
--- a/sh/tmux.sh
+++ b/sh/tmux.sh
@@ -2,6 +2,17 @@
 # │ tmux │
 # ╰──────╯
 
+# ╭──────┬─────────╮
+# │ tmux │ servers │
+# ╰──────┴─────────╯
+
+rwx_tmux_server() {
+	basename "${TMUX}" |
+		cut \
+		--delimiter "," \
+		--fields "1"
+}
+
 # ╭──────┬───────╮
 # │ tmux │ setup │
 # ╰──────┴───────╯
@@ -51,7 +62,7 @@ set-option -g set-titles on
 
 # set title to working directory
 set-option -g set-titles-string '\
-#(basename \"\${TMUX}\" | cut --delimiter \",\" --fields \"1\")\
+#(rwx_tmux_server)\
  → \
 #{session_name}\
  → \
@@ -147,8 +158,7 @@ set-option -g status-format[2] '\
 #[fg=default] \
 #[fg=green]\
 #[bg=##181818] \
-#[bg=##282828]#(basename \"\${TMUX}\" \
-| cut --delimiter \",\" --fields \"1\")\
+#[bg=##282828]#(rwx_tmux_server)\
 #[bg=##181818] \
 #[bg=default]\
 #[fg=default] \