diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index d1aa95a4f843..72c8981e7c0a 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -2832,7 +2832,11 @@ static noinline_for_stack int scrub_supers(struct scrub_ctx *sctx,
 	if (test_bit(BTRFS_FS_STATE_ERROR, &root->fs_info->fs_state))
 		return -EIO;
 
-	gen = root->fs_info->last_trans_committed;
+	/* Seed devices of a new filesystem has their own generation. */
+	if (scrub_dev->fs_devices != root->fs_info->fs_devices)
+		gen = scrub_dev->generation;
+	else
+		gen = root->fs_info->last_trans_committed;
 
 	for (i = 0; i < BTRFS_SUPER_MIRROR_MAX; i++) {
 		bytenr = btrfs_sb_offset(i);