@ -100,7 +100,7 @@ Collection.prototype.update = function (query, update, opts, cb) {
this._getCollection(function (err, collection) {
if (err) return cb(err)
collection.update(query, update, opts, function (err, result) {
collection.update(query, update, xtend(writeOpts, opts), function (err, result) {
if (err) { return cb(err) }
cb(null, result.result)
})