diff --git a/lisp/org.el b/lisp/org.el
index fee13b782..58aeb7301 100644
--- a/lisp/org.el
+++ b/lisp/org.el
@@ -20248,7 +20248,7 @@ Show the heading too, if it is currently invisible."
   (mapc (lambda (x) (move-marker x nil)) org-imenu-markers)
   (setq org-imenu-markers nil)
   (let* ((n org-imenu-depth)
-	 (re (concat "^" outline-regexp))
+	 (re (org-get-limited-outline-regexp))
 	 (subs (make-vector (1+ n) nil))
 	 (last-level 0)
 	 m level head)