diff --git a/src/plugins/position/serialnmea/qiopipe.cpp b/src/plugins/position/serialnmea/qiopipe.cpp
index ce908d4d..2530ad58 100644
--- a/src/plugins/position/serialnmea/qiopipe.cpp
+++ b/src/plugins/position/serialnmea/qiopipe.cpp
@@ -50,8 +50,15 @@ QT_BEGIN_NAMESPACE
 QIOPipePrivate::QIOPipePrivate(QIODevice *iodevice, bool proxying)
     :  m_proxying(proxying), source(iodevice)
 {
-    const QIOPipe *parentPipe = qobject_cast<QIOPipe *>(iodevice);
-    if (parentPipe && parentPipe->d_func()->m_proxying) // with proxying parent,
+}
+
+QIOPipePrivate::~QIOPipePrivate()
+{
+}
+
+void QIOPipePrivate::initialize()
+{
+    if (!m_proxying) // with proxying parent,
         return;                                                     // don't do anything
 
     // read available data, does not emit.
@@ -60,10 +67,6 @@ QIOPipePrivate::QIOPipePrivate(QIODevice *iodevice, bool proxying)
     QObjectPrivate::connect(source, &QIODevice::readyRead, this, &QIOPipePrivate::_q_onReadyRead);
 }
 
-QIOPipePrivate::~QIOPipePrivate()
-{
-}
-
 bool QIOPipePrivate::readAvailableData() {
     if (!source)
         return false;
@@ -130,6 +133,7 @@ void QIOPipePrivate::removeChildPipe(QIOPipe *childPipe)
 QIOPipe::QIOPipe(QIODevice *parent, Mode mode)
     : QIODevice(*new QIOPipePrivate(parent, mode == ProxyPipe), parent)
 {
+    this->d_func()->initialize();
     if (!parent->isOpen() && !parent->open(QIODevice::ReadOnly)) {
         qWarning() << "QIOPipe: Failed to open " << parent;
         return;
diff --git a/src/plugins/position/serialnmea/qiopipe_p.h b/src/plugins/position/serialnmea/qiopipe_p.h
index 25758fcb..472ab102 100644
--- a/src/plugins/position/serialnmea/qiopipe_p.h
+++ b/src/plugins/position/serialnmea/qiopipe_p.h
@@ -95,6 +95,7 @@ public:
     explicit QIOPipePrivate(QIODevice *iodevice, bool proxying);
     ~QIOPipePrivate() override;
 
+    void initialize();
     bool readAvailableData();
     void pumpData(const QByteArray &ba);
     void pushData(const QByteArray &ba);