1 files changed, 1 insertions, 1 deletions

diff --git a/lisp/net/zone-mode.el b/lisp/net/zone-mode.el
index c7999616375..0189b2d1eca 100644
--- a/lisp/net/zone-mode.el
+++ b/lisp/net/zone-mode.el
@@ -60,7 +60,7 @@
              (old-serial (concat old-date old-seq))
              (new-serial (concat cur-date new-seq)))
         (if (string-lessp new-serial old-serial)
-            (error (format "Serial numbers want to move backwards from %s to %s" old-serial new-serial))
+            (error "Serial numbers want to move backwards from %s to %s" old-serial new-serial)
           (replace-match (concat cur-date new-seq old-flag) t t))))))
 
 ;;;###autoload