diff --git a/t/pt-table-checksum/replication_filters.t b/t/pt-table-checksum/replication_filters.t
index ebfd96cc..cd9ce3b3 100644
--- a/t/pt-table-checksum/replication_filters.t
+++ b/t/pt-table-checksum/replication_filters.t
@@ -41,7 +41,7 @@ elsif ( !$slave2_dbh ) {
    plan skip_all => 'Cannot connect to sandbox slave2';
 }
 else {
-   plan tests => 11;
+   plan tests => 12;
 }
 
 # The sandbox servers run with lock_wait_timeout=3 and it's not dynamic