diff --git a/src/externalprocess/processjob.cpp b/src/externalprocess/processjob.cpp
--- a/src/externalprocess/processjob.cpp
+++ b/src/externalprocess/processjob.cpp
@@ -47,11 +47,11 @@
     m_process->setProcessChannelMode(QProcess::ForwardedChannels);
 
 #if QT_VERSION >= QT_VERSION_CHECK(5, 6, 0)
-    connect(m_process, &QProcess::errorOccurred, this, [](QProcess::ProcessError error) {
+    connect(static_cast<QProcess *>(m_process), &QProcess::errorOccurred, this, [](QProcess::ProcessError error) {
         qWarning() << "error!" << error;
     } );
 #endif
-    connect(m_process, &QProcess::stateChanged, this, &ProcessJob::processStateChanged);
+    connect(static_cast<QProcess *>(m_process), &QProcess::stateChanged, this, &ProcessJob::processStateChanged);
 
     m_socket.setMaxPendingConnections(1);
     m_socket.setSocketOptions(QLocalServer::UserAccessOption);
@@ -69,7 +69,7 @@
 void ProcessJob::writeSocket()
 {
     m_localSocket = m_socket.nextPendingConnection();
-    connect(m_localSocket, &QIODevice::readyRead, this, &ProcessJob::readSocket);
+    connect(static_cast<QIODevice *>(m_localSocket), &QIODevice::readyRead, this, &ProcessJob::readSocket);
 
     m_socket.removeServer(m_socket.serverName());