diff --git a/networkdetector/devicemonitor.cpp b/networkdetector/devicemonitor.cpp
index a2dfd82e..fb22a02b 100644
--- a/networkdetector/devicemonitor.cpp
+++ b/networkdetector/devicemonitor.cpp
@@ -16,12 +16,15 @@ DeviceMonitor::DeviceMonitor(const QString &name, const QString &macAddress, con
 
     m_arpingProcess = new QProcess(this);
     m_arpingProcess->setReadChannelMode(QProcess::MergedChannels);
+#if QT_VERSION >= QT_VERSION_CHECK(5, 6, 0)
+    // Actually we'd need this fix on older platforms too, but it's hard to figure this out without this API...
     connect(m_arpingProcess, &QProcess::errorOccurred, this, [this](QProcess::ProcessError error) {
         if (error == QProcess::FailedToStart) {
             warn(QString("arping process failed to start. Falling back to ping. This plugin might not work properly on this system."));
             ping();
         }
     });
+#endif
     connect(m_arpingProcess, SIGNAL(finished(int)), this, SLOT(arpingFinished(int)));
 
     m_pingProcess = new QProcess(this);