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 a457e51ae5..61da3badc0 100644
--- a/modules/juce_audio_plugin_client/VST/juce_VST_Wrapper.cpp
+++ b/modules/juce_audio_plugin_client/VST/juce_VST_Wrapper.cpp
@@ -105,7 +105,7 @@ namespace juce
   extern Display* display;
  #endif
 
-  extern JUCE_API pointer_sized_int handleManufacturerSpecificVST2Opcode (int32, pointer_sized_int, void*, float);
+  extern JUCE_API bool handleManufacturerSpecificVST2Opcode (int32, pointer_sized_int, void*, float);
 }