- socket->setLocalCertificate(_cert);
- socket->setPrivateKey(_key);
- socket->addCaCertificates(_ca);
+ auto config = socket->sslConfiguration();
+ config.setLocalCertificate(_cert);
+ config.setPrivateKey(_key);
+ auto certificates = config.caCertificates();
+ certificates += _ca;
+ config.setCaCertificates(certificates);
+ socket->setSslConfiguration(config);