diff --git a/src/platformsupport/devicediscovery/qdevicediscovery_udev.cpp b/src/platformsupport/devicediscovery/qdevicediscovery_udev.cpp
index 4c6225a3547..45043818a41 100644
--- a/src/platformsupport/devicediscovery/qdevicediscovery_udev.cpp
+++ b/src/platformsupport/devicediscovery/qdevicediscovery_udev.cpp
@@ -41,7 +41,7 @@ QDeviceDiscovery *QDeviceDiscovery::create(QDeviceTypes types, QObject *parent)
 
 QDeviceDiscoveryUDev::QDeviceDiscoveryUDev(QDeviceTypes types, struct udev *udev, QObject *parent) :
     QDeviceDiscovery(types, parent),
-    m_udev(udev), m_udevMonitor(0), m_udevMonitorFileDescriptor(-1), m_udevSocketNotifier(0)
+    m_udev(udev)
 {
     if (!m_udev)
         return;
diff --git a/src/platformsupport/devicediscovery/qdevicediscovery_udev_p.h b/src/platformsupport/devicediscovery/qdevicediscovery_udev_p.h
index c03dd88cec5..3074877b5a4 100644
--- a/src/platformsupport/devicediscovery/qdevicediscovery_udev_p.h
+++ b/src/platformsupport/devicediscovery/qdevicediscovery_udev_p.h
@@ -41,9 +41,9 @@ private:
     void startWatching();
     void stopWatching();
 
-    struct udev_monitor *m_udevMonitor;
-    int m_udevMonitorFileDescriptor;
-    QSocketNotifier *m_udevSocketNotifier;
+    struct udev_monitor *m_udevMonitor = nullptr;
+    int m_udevMonitorFileDescriptor = -1;
+    QSocketNotifier *m_udevSocketNotifier = nullptr;
 };
 
 QT_END_NAMESPACE