diff --git a/Network/PSKReporter.cpp b/Network/PSKReporter.cpp
index fcdebf2c5..8c8d7948d 100644
--- a/Network/PSKReporter.cpp
+++ b/Network/PSKReporter.cpp
@@ -145,8 +145,10 @@ public:
 
 #if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
     connect (socket_.get (), &QAbstractSocket::errorOccurred, this, &PSKReporter::impl::handle_socket_error);
-#else
+#elif QT_VERSION >= QT_VERSION_CHECK(5, 7, 0)
     connect (socket_.data (), QOverload<QAbstractSocket::SocketError>::of (&QAbstractSocket::error), this, &PSKReporter::impl::handle_socket_error);
+#else
+    connect (socket_.data (), static_cast<void (QAbstractSocket::*) (QAbstractSocket::SocketError)> (&QAbstractSocket::error), this, &PSKReporter::impl::handle_socket_error);
 #endif
 
     // use this for pseudo connection with UDP, allows us to use