diff --git a/src/msw/control.cpp b/src/msw/control.cpp
index 5c1740dfad..b3e4f5b2ec 100644
--- a/src/msw/control.cpp
+++ b/src/msw/control.cpp
@@ -245,6 +245,9 @@ WXDWORD wxControl::MSWGetStyle(long style, WXDWORD *exstyle) const
 
 wxSize wxControl::DoGetBestSize() const
 {
+    if (m_windowSizer)
+       return wxControlBase::DoGetBestSize();
+       
     return wxSize(DEFAULT_ITEM_WIDTH, DEFAULT_ITEM_HEIGHT);
 }