diff --git a/modules/juce_audio_plugin_client/VST/juce_VST_Wrapper.cpp b/modules/juce_audio_plugin_client/VST/juce_VST_Wrapper.cpp
index 60a636c9b2..91d070a181 100644
--- a/modules/juce_audio_plugin_client/VST/juce_VST_Wrapper.cpp
+++ b/modules/juce_audio_plugin_client/VST/juce_VST_Wrapper.cpp
@@ -830,6 +830,8 @@ public:
 
     void audioProcessorChanged (AudioProcessor*)
     {
+        setInitialDelay (processor->getLatencySamples());
+        ioChanged();
         updateDisplay();
     }