(defvar mime-view-redisplay nil)
 
-(defun mime-view-display-message (message &optional preview-buffer mother)
+(defun mime-view-display-message (message &optional preview-buffer
+                                         mother default-keymap-or-function)
   (let ((win-conf (current-window-configuration))
        (raw-buffer (mime-entity-buffer message)))
     (or preview-buffer
                                '((entity-button . invisible)
                                  (header . visible)
                                  ))
+      (mime-view-define-keymap default-keymap-or-function)
       (set-buffer-modified-p nil)
       )
     (setq buffer-read-only t)
               (setq mime-raw-message-info (mime-parse-message ctl encoding))
               ))))
     (prog1
-       (mime-view-display-message message obuf mother)
-      (mime-view-define-keymap default-keymap-or-function)
+       (mime-view-display-message message obuf mother
+                                  default-keymap-or-function)
       (let ((point
             (next-single-property-change (point-min) 'mime-view-entity)))
        (if point