"matched_queries" does not include queries within a wrapper query

gistfile1.sh

curl -XPUT 'http://localhost:9200/index'

curl -XPUT 'http://localhost:9200/index/thing/1' –d '
{
  "stuff": "blah"
}
'

# works
curl -XPOST 'http://localhost:9200/index/_search' –d '
{
  "query": {
    "match": {
      "stuff": {
        "_name": "query1",
        "query": "blah"
      }
    }
  }
}
'

# doesn't work
curl -XPOST 'http://localhost:9200/index/_search' –d '
{
  "query": {
    "wrapper": {
      "query": "eyJtYXRjaCI6IHsic3R1ZmYiOiB7Il9uYW1lIjogInF1ZXJ5MSIsICJxdWVyeSI6ICJibGFoIn19fQ=="
    }
  }
}
'