diff --git a/modules/os/tty/config.el b/modules/os/tty/config.el
index bcd6ee018..6180012ec 100644
--- a/modules/os/tty/config.el
+++ b/modules/os/tty/config.el
@@ -1,5 +1,9 @@
 ;;; os/tty/config.el -*- lexical-binding: t; -*-
 
+;; Keep window title up-to-date; should fail gracefully in non-xterm terminals.
+;; Only works in Emacs 27+.
+(setq xterm-set-window-title t)
+
 ;; Some terminals offer two different cursors: a "visible" static cursor and a
 ;; "very visible" blinking one. By default, Emacs uses the very visible cursor
 ;; and will switch back to it when Emacs is started or resumed. A nil