diff --git a/modules/juce_audio_processors/format_types/juce_VST3PluginFormat.cpp b/modules/juce_audio_processors/format_types/juce_VST3PluginFormat.cpp
index bb5d2c4dc6..b7411e9a7a 100644
--- a/modules/juce_audio_processors/format_types/juce_VST3PluginFormat.cpp
+++ b/modules/juce_audio_processors/format_types/juce_VST3PluginFormat.cpp
@@ -2076,6 +2076,8 @@ public:
         setLatencySamples (jmax (0, (int) processor->getLatencySamples()));
         cachedBusLayouts = getBusesLayout();
 
+        setStateForAllMidiBuses (true);
+
         warnOnFailure (holder->component->setActive (true));
         warnOnFailureIfImplemented (processor->setProcessing (true));