ldap_back_controls_free( op, rs, &ctrls );
 
        if ( rc == LDAP_SUCCESS ) {
+               op->o_conn->c_authz_cookie = op->o_bd->be_private;
+
                /* If defined, proxyAuthz will be used also when
                 * back-ldap is the authorizing backend; for this
                 * purpose, after a successful bind the connection
        rc = ldap_back_op_result( lc, op, rs, msgid,
                -1, ( sendok | LDAP_BACK_BINDING ) );
        if ( rc == LDAP_SUCCESS ) {
+               op->o_conn->c_authz_cookie = op->o_bd->be_private;
                LDAP_BACK_CONN_ISBOUND_SET( lc );
        }
 
                 * so that referral chasing is attempted using the right
                 * identity */
                LDAP_BACK_CONN_ISBOUND_SET( lc );
+               op->o_conn->c_authz_cookie = op->o_bd->be_private;
                if ( !BER_BVISNULL( binddn ) ) {
                        ber_bvreplace( &lc->lc_bound_ndn, binddn );
                }