diff --git a/src/blackmisc/audio/audiodeviceinfo.h b/src/blackmisc/audio/audiodeviceinfo.h
index 2e19abcf0..dda18be38 100644
--- a/src/blackmisc/audio/audiodeviceinfo.h
+++ b/src/blackmisc/audio/audiodeviceinfo.h
@@ -62,7 +62,7 @@ namespace BlackMisc
             bool isOutputDevice() const { return this->getType() == OutputDevice; }
 
             //! Valid audio device object?
-            bool isValid() const { return !m_deviceName.isEmpty(); }
+            bool isValid() const { return !m_deviceName.isEmpty() && (m_deviceName != Unknown); }
 
             //! Is this a default device?
             bool isDefault() const { return m_deviceName == "default"; }
diff --git a/src/blacksound/audioutilities.cpp b/src/blacksound/audioutilities.cpp
index f25cfe048..ec42a575f 100644
--- a/src/blacksound/audioutilities.cpp
+++ b/src/blacksound/audioutilities.cpp
@@ -82,13 +82,13 @@ namespace BlackSound
 
     QAudioDeviceInfo getLowestLatencyDevice(const CAudioDeviceInfo &device, QAudioFormat &format)
     {
-        if (device.isDefault())
+        if (device.isDefault() || !device.isValid())
         {
             if (device.getType() == CAudioDeviceInfo::InputDevice) { return QAudioDeviceInfo::defaultInputDevice(); }
             else { return QAudioDeviceInfo::defaultOutputDevice(); }
         }
 
-        QAudio::Mode mode = (device.getType() == CAudioDeviceInfo::InputDevice) ? QAudio::AudioInput : QAudio::AudioOutput;
+        const QAudio::Mode mode = device.isInputDevice() ? QAudio::AudioInput : QAudio::AudioOutput;
         const QList<QAudioDeviceInfo> allQtDevices = QAudioDeviceInfo::availableDevices(mode);
 
         // Find the one with lowest latency.