diff --git a/src/generic/vlbox.cpp b/src/generic/vlbox.cpp
index 6879d41cbe..a9bfc5ceb6 100644
--- a/src/generic/vlbox.cpp
+++ b/src/generic/vlbox.cpp
@@ -379,7 +379,7 @@ void wxVListBox::OnDrawBackground(wxDC& dc, const wxRect& rect, size_t n) const
             flags |= wxCONTROL_SELECTED;
         if ( IsCurrent(n) )
             flags |= wxCONTROL_CURRENT;
-        if ( wxWindow::FindFocus() == this )
+        if ( wxWindow::FindFocus() == wx_const_cast(wxVListBox*, this) )
             flags |= wxCONTROL_FOCUSED;
 
         wxRendererNative::Get().DrawItemSelectionRect(
diff --git a/src/html/helpfrm.cpp b/src/html/helpfrm.cpp
index 7066746015..09ca6f4727 100644
--- a/src/html/helpfrm.cpp
+++ b/src/html/helpfrm.cpp
@@ -242,7 +242,7 @@ void wxHtmlHelpFrame::OnAbout(wxCommandEvent& event)
 // remains opened
 bool wxHtmlHelpFrame::ShouldPreventAppExit() const
 {
-    return (this == wxTheApp->GetTopWindow());
+    return (wx_const_cast(wxHtmlHelpFrame*, this) == wxTheApp->GetTopWindow());
 }
 
 #endif // wxUSE_WXHTML_HELP