1 files changed, 1 insertions, 1 deletions

diff --git a/lisp/mail/rfc2231.el b/lisp/mail/rfc2231.el
index d096176a9b1..70f73018674 100644
--- a/lisp/mail/rfc2231.el
+++ b/lisp/mail/rfc2231.el
@@ -176,7 +176,7 @@ must never cause a Lisp error."
           (error
            (setq parameters nil)
            (when signal-error
-             (signal (car err) (cdr err)))))
+             (signal err))))
 
         ;; Now collect and concatenate continuation parameters.
         (let ((cparams nil)