diff --git a/lisp/emacs-lisp/cursor-sensor.el b/lisp/emacs-lisp/cursor-sensor.el
index 1d1780baed0..2fc7a0d1513 100644
--- a/lisp/emacs-lisp/cursor-sensor.el
+++ b/lisp/emacs-lisp/cursor-sensor.el
@@ -113,7 +113,7 @@
            ;; non-sticky on both ends, but that means get-pos-property might
            ;; never see it.
            (new (or (get-char-property point 'cursor-sensor-functions)
-                    (unless (bobp)
+                    (unless (= point 1)
                       (get-char-property (1- point) 'cursor-sensor-functions))))
            (old (window-parameter window 'cursor-sensor--last-state))
            (oldposmark (car old))