diff --git a/src/common/combocmn.cpp b/src/common/combocmn.cpp
index aa0bc95fc5..7383ea013d 100644
--- a/src/common/combocmn.cpp
+++ b/src/common/combocmn.cpp
@@ -454,7 +454,8 @@ public:
     wxComboPopupWindow( wxComboCtrlBase *parent,
                         int style )
     #if USES_WXPOPUPWINDOW || USES_WXPOPUPTRANSIENTWINDOW
-                       : wxComboPopupWindowBase(parent,style)
+                       : wxComboPopupWindowBase(parent,
+                                                style | wxPU_CONTAINS_CONTROLS)
     #else
                        : wxComboPopupWindowBase(parent,
                                                 wxID_ANY,