diff --git a/lisp/ox-html.el b/lisp/ox-html.el
index 365802f39..90d6a5dc1 100644
--- a/lisp/ox-html.el
+++ b/lisp/ox-html.el
@@ -1719,7 +1719,7 @@ holding export options."
"\n"
(let ((link-up (org-trim (plist-get info :html-link-up)))
(link-home (org-trim (plist-get info :html-link-home))))
- (unless (and (string= link-up "") (string= link-up ""))
+ (unless (and (string= link-up "") (string= link-home ""))
(format org-html-home/up-format
(or link-up link-home)
(or link-home link-up))))