diff --git a/src/generic/logg.cpp b/src/generic/logg.cpp
index 8551727656..b4f092a4c8 100644
--- a/src/generic/logg.cpp
+++ b/src/generic/logg.cpp
@@ -459,6 +459,11 @@ wxLogFrame::wxLogFrame(wxFrame *pParent, wxLogWindow *log, const wxChar *szTitle
             wxDefaultSize,
             wxTE_MULTILINE  |
             wxHSCROLL       |
+            // needed for Win32 to avoid 65Kb limit but it doesn't work well
+            // when using RichEdit 2.0 which we always do in the Unicode build
+#if !wxUSE_UNICODE
+            wxTE_RICH       |
+#endif // !wxUSE_UNICODE
             wxTE_READONLY);
 
 #if wxUSE_MENUS