1 files changed, 1 insertions, 1 deletions

diff --git a/lisp/isearch-old.el b/lisp/isearch-old.el
index a030ba4f4c9..ee7a1b04476 100644
--- a/lisp/isearch-old.el
+++ b/lisp/isearch-old.el
@@ -449,7 +449,7 @@ is treated as a regexp.  See \\[isearch-forward] for more info."
               (setq regexp-search-ring (cons (cons search-string uppercase-flag)
                                             regexp-search-ring)
                     regexp-search-ring-yank-pointer regexp-search-ring)
-              (if (> (length regexp-search-ring) regexp-search-ring-max)
+              (if (> (length regexp-search-ring) search-ring-max)
                   (setcdr (nthcdr (1- search-ring-max) regexp-search-ring) nil)))
           (if (not (member search-string search-ring))
               (progn