---
lisp/org-fold-core.el | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lisp/org-fold-core.el b/lisp/org-fold-core.el
index 6ea374498..121c6b5c4 100644
--- a/lisp/org-fold-core.el
+++ b/lisp/org-fold-core.el
@@ -592,7 +592,7 @@ (defun org-fold-core--property-symbol-get-create (spec &optional buffer return-o
(org-fold-core-cycle-over-indirect-buffers
(push (current-buffer) bufs))
(push buf bufs)
- (delete-duplicates bufs)))))
+ (delete-dups bufs)))))
;; Copy all the old folding properties to preserve the folding state
(with-silent-modifications
(dolist (old-prop (cdr (assq 'invisible char-property-alias-alist)))
