diff --git a/examples/Utilities/UnitTestsDemo.h b/examples/Utilities/UnitTestsDemo.h
index 44a878afef..e2309bd4b9 100644
--- a/examples/Utilities/UnitTestsDemo.h
+++ b/examples/Utilities/UnitTestsDemo.h
@@ -36,7 +36,7 @@
                    juce_opengl, juce_osc, juce_product_unlocking, juce_video
  exporters:        xcode_mac, vs2019, linux_make, androidstudio, xcode_iphone
 
- moduleFlags:      JUCE_STRICT_REFCOUNTEDPOINTER=1
+ moduleFlags:      JUCE_STRICT_REFCOUNTEDPOINTER=1,JUCE_PLUGINHOST_VST3=1
  defines:          JUCE_UNIT_TESTS=1
 
  type:             Component