diff --git a/include/wx/vlbox.h b/include/wx/vlbox.h
index f4b2e945bf..50d7472888 100644
--- a/include/wx/vlbox.h
+++ b/include/wx/vlbox.h
@@ -16,8 +16,7 @@
 #include "wx/bitmap.h"
 
 class WXDLLIMPEXP_FWD_CORE wxSelectionStore;
-
-#define wxVListBoxNameStr _T("wxVListBox")
+extern WXDLLIMPEXP_DATA_CORE(const char) wxVListBoxNameStr[];
 
 // ----------------------------------------------------------------------------
 // wxVListBox
diff --git a/src/generic/vlbox.cpp b/src/generic/vlbox.cpp
index 04ad587675..861dc0dc6f 100644
--- a/src/generic/vlbox.cpp
+++ b/src/generic/vlbox.cpp
@@ -60,6 +60,7 @@ END_EVENT_TABLE()
 // ============================================================================
 
 IMPLEMENT_ABSTRACT_CLASS(wxVListBox, wxVScrolledWindow)
+const char wxVListBoxNameStr[] = "wxVListBox";
 
 // ----------------------------------------------------------------------------
 // wxVListBox creation