diff --git a/include/wx/html/helpwnd.h b/include/wx/html/helpwnd.h
index d8f082554c..a2fbd2224a 100644
--- a/include/wx/html/helpwnd.h
+++ b/include/wx/html/helpwnd.h
@@ -312,7 +312,7 @@ public:
 private:
     wxString    m_url;
 
-    DECLARE_DYNAMIC_CLASS(wxHtmlWindowEvent);
+    DECLARE_DYNAMIC_CLASS(wxHtmlWindowEvent)
 };
 
 typedef void (wxEvtHandler::*wxHtmlWindowEventFunction)(wxHtmlWindowEvent&);