diff --git a/lib/Net/LDAP3.php b/lib/Net/LDAP3.php
--- a/lib/Net/LDAP3.php
+++ b/lib/Net/LDAP3.php
@@ -327,13 +327,13 @@
                     'nsDS5ReplicaCredentials',
                     'nsDS5ReplicaTransportInfo',
                     'nsDS5ReplicaBindMethod',
-                    'nsDS5ReplicaHost',
                     'nsDS5ReplicaPort'
                 );
 
                 $replica_agreement_attrs = $ldap->get_entry_attributes($replica_agreement_tpl_dn, $attrs);
                 $replica_agreement_attrs['cn'] = array_shift(explode('.', $replicate_to_host)) . str_replace(array('dc=',','), array('_',''), $domain_root_dn);
                 $replica_agreement_attrs['nsDS5ReplicaRoot'] = $domain_root_dn;
+                $replica_agreement_attrs['nsDS5ReplicaHost'] = $replicate_to_host;
                 $replica_agreement_dn = "cn=" . $replica_agreement_attrs['cn'] . "," . $new_replica_dn;
 
                 $this->_debug("Adding $replica_agreement_dn to $replica_host with attributes: " . var_export($replica_agreement_attrs, true));