diff --git a/modules/juce_audio_processors/format_types/juce_AudioUnitPluginFormat.mm b/modules/juce_audio_processors/format_types/juce_AudioUnitPluginFormat.mm
index 81820516c8..4599659d1a 100644
--- a/modules/juce_audio_processors/format_types/juce_AudioUnitPluginFormat.mm
+++ b/modules/juce_audio_processors/format_types/juce_AudioUnitPluginFormat.mm
@@ -1383,6 +1383,10 @@ public:
         if (auSupportsBypass)
         {
             updateBypass (processBlockBypassedCalled);
+            if (processBlockBypassedCalled)
+            {
+                return;
+            }
         }
         else if (processBlockBypassedCalled)
         {