diff --git a/sys/ufs/ffs/ffs_vfsops.c b/sys/ufs/ffs/ffs_vfsops.c
index 9ca5ccd8abc..50791c2ca04 100644
--- a/sys/ufs/ffs/ffs_vfsops.c
+++ b/sys/ufs/ffs/ffs_vfsops.c
@@ -279,6 +279,11 @@ ffs_mount(struct mount *mp, struct thread *td)
 		 */
 		if (mp->mnt_flag & MNT_SOFTDEP)
 			mp->mnt_flag &= ~MNT_ASYNC;
+		/*
+		 * Keep MNT_ACLS flag if it is stored in superblock.
+		 */
+		if ((fs->fs_flags & FS_ACLS) != 0)
+			mp->mnt_flag |= MNT_ACLS;
 		/*
 		 * If not updating name, process export requests.
 		 */