diff -up openssh-8.0p1/sftp.c.original openssh-8.0p1/sftp.c
--- openssh-8.0p1/sftp.c.original	2020-12-22 17:05:02.105698989 +0900
+++ openssh-8.0p1/sftp.c	2020-12-22 17:05:42.922035780 +0900
@@ -937,7 +937,11 @@ sglob_comp(const void *aa, const void *b
 		return (rmul * strcmp(ap, bp));
 	else if (sort_flag & LS_TIME_SORT) {
 #if defined(HAVE_STRUCT_STAT_ST_MTIM)
-		return (rmul * timespeccmp(&as->st_mtim, &bs->st_mtim, <));
+		if (timespeccmp(&as->st_mtim, &bs->st_mtim, <)){
+			return rmul;
+		} else {
+			return -rmul;
+		}
 #elif defined(HAVE_STRUCT_STAT_ST_MTIME)
 		return (rmul * NCMP(as->st_mtime, bs->st_mtime));
 #else