1 files changed, 1 insertions, 1 deletions

diff --git a/lisp/mail/sendmail.el b/lisp/mail/sendmail.el
index 15280f84aa9..2ea6d676d53 100644
--- a/lisp/mail/sendmail.el
+++ b/lisp/mail/sendmail.el
@@ -753,7 +753,7 @@ the user from the mailer."
   (let (end
         (case-fold-search t))
     (goto-char (point-min))
-    (re-search-forward (concat "^" (regexp-quote mail-header-separator) "\n"))
+    (re-search-forward (concat "^" (regexp-quote mail-header-separator) "$"))
     (setq end (match-beginning 0))
     (goto-char (point-min))
     (if (re-search-forward (concat "^" (regexp-quote field) ":") end t)