1 files changed, 1 insertions, 1 deletions
diff --git a/attach.c b/attach.c
index 74377b0d..8c3edf2e 100644
--- a/attach.c
+++ b/attach.c
@@ -782,7 +782,7 @@ int mutt_save_attachment (FILE *fp, BODY *m, char *path, int flags, HEADER *hdr)
 	return -1;
       }
       if (ctx.magic == M_MBOX || ctx.magic == M_MMDF)
-	chflags = CH_FROM;
+	chflags = CH_FROM | CH_UPDATE_LEN;
       chflags |= (ctx.magic == M_MAILDIR ? CH_NOSTATUS : CH_UPDATE);
       if (_mutt_copy_message (msg->fp, fp, hn, hn->content, 0, chflags) == 0 
 	  && mx_commit_message (msg, &ctx) == 0)