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-rw-r--r--extra/mariabackup/xtrabackup.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/extra/mariabackup/xtrabackup.cc b/extra/mariabackup/xtrabackup.cc
index 60d0a5ab9ab..8311c26c5cf 100644
--- a/extra/mariabackup/xtrabackup.cc
+++ b/extra/mariabackup/xtrabackup.cc
@@ -1653,7 +1653,7 @@ struct my_option xb_server_options[] =
{"innodb_undo_tablespaces", OPT_INNODB_UNDO_TABLESPACES,
"Number of undo tablespaces to use.",
(G_PTR*)&srv_undo_tablespaces, (G_PTR*)&srv_undo_tablespaces,
- 0, GET_UINT, REQUIRED_ARG, 0, 0, 126, 0, 1, 0},
+ 0, GET_UINT, REQUIRED_ARG, 3, 0, 126, 0, 1, 0},
{"innodb_compression_level", OPT_INNODB_COMPRESSION_LEVEL,
"Compression level used for zlib compression.",