diff --git a/modules/juce_audio_plugin_client/AU/juce_AU_Wrapper.mm b/modules/juce_audio_plugin_client/AU/juce_AU_Wrapper.mm
index 223aec685e..c715c0ce2d 100644
--- a/modules/juce_audio_plugin_client/AU/juce_AU_Wrapper.mm
+++ b/modules/juce_audio_plugin_client/AU/juce_AU_Wrapper.mm
@@ -1084,6 +1084,7 @@ public:
         PropertyChanged (kAudioUnitProperty_Latency,       kAudioUnitScope_Global, 0);
         PropertyChanged (kAudioUnitProperty_ParameterList, kAudioUnitScope_Global, 0);
         PropertyChanged (kAudioUnitProperty_ParameterInfo, kAudioUnitScope_Global, 0);
+        PropertyChanged (kAudioUnitProperty_ClassInfo,     kAudioUnitScope_Global, 0);
 
         refreshCurrentPreset();