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-rw-r--r--module/zfs/uberblock.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/module/zfs/uberblock.c b/module/zfs/uberblock.c
index c1e85bdce..3b8526076 100644
--- a/module/zfs/uberblock.c
+++ b/module/zfs/uberblock.c
@@ -20,7 +20,7 @@
*/
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2013, 2014 by Delphix. All rights reserved.
+ * Copyright (c) 2013, 2017 by Delphix. All rights reserved.
*/
#include <sys/zfs_context.h>
@@ -60,6 +60,7 @@ uberblock_update(uberblock_t *ub, vdev_t *rvd, uint64_t txg, uint64_t mmp_delay)
ub->ub_mmp_magic = MMP_MAGIC;
ub->ub_mmp_delay = spa_multihost(rvd->vdev_spa) ? mmp_delay : 0;
ub->ub_mmp_seq = 0;
+ ub->ub_checkpoint_txg = 0;
return (ub->ub_rootbp.blk_birth == txg);
}