1 files changed, 1 insertions, 1 deletions

diff --git a/lisp/gnus.el b/lisp/gnus.el
index 4a164d53855..f48ca2d463c 100644
--- a/lisp/gnus.el
+++ b/lisp/gnus.el
@@ -5620,7 +5620,7 @@ Run gnus-open-server-hook just before opening news server."
           ((gnus-open-server gnus-nntp-server gnus-nntp-service)
            (message ""))
           (t
-           (error
+           (error "%s"
             (gnus-nntp-message
              (format "Cannot open NNTP server on %s" gnus-nntp-server)))))
     ))