1 files changed, 6 insertions, 3 deletions
diff --git a/src/tools/iostool/main.cpp b/src/tools/iostool/main.cpp
index 8eccc68d17..3e4141aaf3 100644
--- a/src/tools/iostool/main.cpp
+++ b/src/tools/iostool/main.cpp
@@ -225,9 +225,12 @@ void Relayer::setClientSocket(QTcpSocket *clientSocket)
     QTC_CHECK(!m_clientSocket);
     m_clientSocket = clientSocket;
     if (m_clientSocket) {
-        connect(m_clientSocket,
-                QOverload<QAbstractSocket::SocketError>::of(&QAbstractSocket::error),
-                this, &Relayer::handleClientHasError);
+#if QT_VERSION < QT_VERSION_CHECK(5, 15, 0)
+        const auto errorOccurred = QOverload<QAbstractSocket::SocketError>::of(&QAbstractSocket::error);
+#else
+        const auto errorOccurred = &QAbstractSocket::errorOccurred;
+#endif
+        connect(m_clientSocket, errorOccurred, this, &Relayer::handleClientHasError);
         connect(m_clientSocket, &QAbstractSocket::disconnected,
                 this, [this](){server()->removeRelayConnection(this);});
     }