diff --git a/modules/juce_core/network/juce_NamedPipe.h b/modules/juce_core/network/juce_NamedPipe.h
index ebb850bda5..f4fb42aed8 100644
--- a/modules/juce_core/network/juce_NamedPipe.h
+++ b/modules/juce_core/network/juce_NamedPipe.h
@@ -88,7 +88,7 @@ public:
 
 private:
     //==============================================================================
-    class Pimpl;
+    JUCE_PUBLIC_IN_DLL_BUILD (class Pimpl)
     ScopedPointer<Pimpl> pimpl;
     String currentPipeName;
     ReadWriteLock lock;
diff --git a/modules/juce_gui_extra/misc/juce_SystemTrayIconComponent.h b/modules/juce_gui_extra/misc/juce_SystemTrayIconComponent.h
index 844a13d295..2d944027f6 100644
--- a/modules/juce_gui_extra/misc/juce_SystemTrayIconComponent.h
+++ b/modules/juce_gui_extra/misc/juce_SystemTrayIconComponent.h
@@ -70,7 +70,7 @@ public:
 
 private:
     //==============================================================================
-    JUCE_PUBLIC_IN_DLL_BUILD (class Pimpl);
+    JUCE_PUBLIC_IN_DLL_BUILD (class Pimpl)
     ScopedPointer<Pimpl> pimpl;
 
     JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (SystemTrayIconComponent)