diff --git a/include/wx/ctrlsub.h b/include/wx/ctrlsub.h
index 901f52c45d..0393859bb5 100644
--- a/include/wx/ctrlsub.h
+++ b/include/wx/ctrlsub.h
@@ -425,7 +425,7 @@ private:
 #elif defined(__WXMOTIF__)
     #include "wx/motif/ctrlsub.h"
 #else
-    class wxControlWithItems : public wxControlWithItemsBase
+    class WXDLLEXPORT wxControlWithItems : public wxControlWithItemsBase
     {
     public:
         wxControlWithItems() { }