diff --git a/include/wx/log.h b/include/wx/log.h
index a484063245..99ed98ee67 100644
--- a/include/wx/log.h
+++ b/include/wx/log.h
@@ -196,7 +196,7 @@ class wxLogFrame;
 class WXDLLEXPORT wxLogWindow : public wxLog
 {
 public:
-  wxLogWindow(const wxTString& strTitle);
+  wxLogWindow(const wxTString& strTitle, bool bShow = TRUE);
   ~wxLogWindow();
   
   // show/hide the log window