diff --git a/modules/juce_audio_devices/audio_io/juce_AudioDeviceManager.cpp b/modules/juce_audio_devices/audio_io/juce_AudioDeviceManager.cpp
index 00202a3072..f392b1f481 100644
--- a/modules/juce_audio_devices/audio_io/juce_AudioDeviceManager.cpp
+++ b/modules/juce_audio_devices/audio_io/juce_AudioDeviceManager.cpp
@@ -43,6 +43,11 @@ bool AudioDeviceManager::AudioDeviceSetup::operator== (const AudioDeviceManager:
             && useDefaultOutputChannels == other.useDefaultOutputChannels;
 }
 
+bool AudioDeviceManager::AudioDeviceSetup::operator!= (const AudioDeviceManager::AudioDeviceSetup& other) const
+{
+    return ! operator== (other);
+}
+
 //==============================================================================
 class AudioDeviceManager::CallbackHandler  : public AudioIODeviceCallback,
                                              public MidiInputCallback,
diff --git a/modules/juce_audio_devices/audio_io/juce_AudioDeviceManager.h b/modules/juce_audio_devices/audio_io/juce_AudioDeviceManager.h
index 7da7ccff1c..460fb04c92 100644
--- a/modules/juce_audio_devices/audio_io/juce_AudioDeviceManager.h
+++ b/modules/juce_audio_devices/audio_io/juce_AudioDeviceManager.h
@@ -96,6 +96,7 @@ public:
         AudioDeviceSetup();
 
         bool operator== (const AudioDeviceSetup& other) const;
+        bool operator!= (const AudioDeviceSetup& other) const;
 
         /** The name of the audio device used for output.
             The name has to be one of the ones listed by the AudioDeviceManager's currently