1 files changed, 1 insertions, 0 deletions

diff --git a/lisp/international/mule.el b/lisp/international/mule.el
index 31cb9e46916..02f2746ef97 100644
--- a/lisp/international/mule.el
+++ b/lisp/international/mule.el
@@ -669,6 +669,7 @@ a value of `safe-charsets' in PLIST."
                                   (cons (append (car flags) '(t)) (cdr flags))
                                 (cons (list (car flags) t) (cdr flags)))
                               properties)
+          (coding-system-put esc 'mime-charset nil)
           (coding-system-put esc 'safe-charsets t))))
 
   coding-system)