MSDeploy Match XPath

hibernate.cfg.xml

<hibernate-configuration xmlns="urn:nhibernate-configuration-2.2">
  <session-factory>
    <property name="connection.driver_class">NHibernate.Driver.SqlClientDriver</property>
    <property name="connection.connection_string">local-connection-string</property>
    <property name="show_sql">false</property>
    <property name="dialect">NHibernate.Dialect.MsSql2005Dialect</property>
    <property name="adonet.batch_size">100</property>
  </session-factory>
</hibernate-configuration>

output.txt

Error: An XML exception occurred.
API.SetParameters.xml
Error: Invalid XPath expression '//*:hibernate-configuration/*:session-factory/*:property[@*:name='connection.connection_string']/text()' specified for match.
Error: '//*:hibernate-configuration/*:session-factory/*:property[@*:name='connection.connection_string']/text()' has an invalid token.
Error count: 1.

Set-Parameters.xml

<?xml version="1.0" encoding="utf-8"?>
<parameters>
    <parameter name="UpdateNHibernateConfig" defaultValue="{connectionstring}">
        <parameterEntry
            kind="Xmlfile"
            scope="hibernate.cfg.xml"
            match="/*[local-name()='hibernate-configuration']/*[local-name()='session-factory']/*[local-name()='property'][@name='connection.connection_string']/text()"
        />
    </parameter>
</parameters>