diff --git a/fs/hpfs/super.c b/fs/hpfs/super.c
index fecf402..fc77965 100644
--- a/fs/hpfs/super.c
+++ b/fs/hpfs/super.c
@@ -423,8 +423,7 @@
 
 	if (!(*flags & MS_RDONLY)) mark_dirty(s);
 
-	kfree(s->s_options);
-	s->s_options = new_opts;
+	replace_mount_options(s, new_opts);
 
 	return 0;