1 files changed, 1 insertions, 1 deletions

diff --git a/lisp/imenu.el b/lisp/imenu.el
index 0ebdbc4b5f3..2248ece3dbd 100644
--- a/lisp/imenu.el
+++ b/lisp/imenu.el
@@ -877,7 +877,7 @@ Return one of the entries in index-alist or nil."
          (if (not imenu-space-replacement) index-alist
            (mapcar
             (lambda (item)
-              (cons (subst-char-in-string ?\ (aref imenu-space-replacement 0)
+              (cons (subst-char-in-string ?\s (aref imenu-space-replacement 0)
                                           (car item))
                     (cdr item)))
             index-alist))))