diff --git a/client/protocols/ikev2_vpn_protocol_windows.cpp b/client/protocols/ikev2_vpn_protocol_windows.cpp
index ac5966cb..ed6fb174 100644
--- a/client/protocols/ikev2_vpn_protocol_windows.cpp
+++ b/client/protocols/ikev2_vpn_protocol_windows.cpp
@@ -172,7 +172,8 @@ void Ikev2Protocol::newConnectionStateEventReceived(UINT unMsg, tagRASCONNSTATE
 
 void Ikev2Protocol::readIkev2Configuration(const QJsonObject &configuration)
 {
-    m_config = configuration.value(ProtocolProps::key_proto_config_data(Proto::Ikev2)).toObject();
+    QJsonObject ikev2_data = configuration.value(ProtocolProps::key_proto_config_data(Proto::Ikev2)).toObject();
+    m_config = QJsonDocument::fromJson(ikev2_data.value(config_key::config).toString().toUtf8()).object();
 }
 
 ErrorCode Ikev2Protocol::start()
@@ -180,11 +181,13 @@ ErrorCode Ikev2Protocol::start()
     QByteArray cert = QByteArray::fromBase64(m_config[config_key::cert].toString().toUtf8());
     setConnectionState(Vpn::ConnectionState::Connecting);
 
-    QTemporaryFile certFile;
-    certFile.setAutoRemove(false);
-    certFile.open();
-    certFile.write(cert);
-    certFile.close();
+    QTemporaryFile * certFile = new QTemporaryFile;
+    certFile->setAutoRemove(false);
+    certFile->open();
+    QString m_filename = certFile->fileName();
+    certFile->write(cert);
+    certFile->close();
+    delete certFile;
 
     {
         auto certInstallProcess = IpcClient::CreatePrivilegedProcess();
@@ -201,12 +204,12 @@ ErrorCode Ikev2Protocol::start()
             return ErrorCode::AmneziaServiceConnectionFailed;
         }
         certInstallProcess->setProgram(PermittedProcess::CertUtil);
-        QString password = QString("-p %1").arg(m_config[config_key::password].toString());
-        QStringList arguments({"-f", "-importpfx", password,
-                               QDir::toNativeSeparators(certFile.fileName()), "NoExport"
-                              });
-        certInstallProcess->setArguments(arguments);
 
+        QStringList arguments({"-f", "-importpfx", "-p", m_config[config_key::password].toString(),
+                               QDir::toNativeSeparators(m_filename), "NoExport"
+                              });
+
+        certInstallProcess->setArguments(arguments);
         certInstallProcess->start();
     }
     // /*