diff --git a/src/gtk/popupwin.cpp b/src/gtk/popupwin.cpp
index 1bda6c9850..bbfb93399d 100644
--- a/src/gtk/popupwin.cpp
+++ b/src/gtk/popupwin.cpp
@@ -141,8 +141,10 @@ static void wxInsertChildInDialog( wxPopupWindow* parent, wxWindow* child )
 // wxPopupWindow
 //-----------------------------------------------------------------------------
 
-BEGIN_EVENT_TABLE(wxPopupWindow, wxPopupWindowBase)
+BEGIN_EVENT_TABLE(wxPopupWindow,wxPopupWindowBase)
+#ifdef __WXUNIVERSAL__
     EVT_SIZE(wxPopupWindow::OnSize)
+#endif
 END_EVENT_TABLE()
 
 IMPLEMENT_DYNAMIC_CLASS(wxPopupWindow, wxWindow)
diff --git a/src/gtk1/popupwin.cpp b/src/gtk1/popupwin.cpp
index 1bda6c9850..bbfb93399d 100644
--- a/src/gtk1/popupwin.cpp
+++ b/src/gtk1/popupwin.cpp
@@ -141,8 +141,10 @@ static void wxInsertChildInDialog( wxPopupWindow* parent, wxWindow* child )
 // wxPopupWindow
 //-----------------------------------------------------------------------------
 
-BEGIN_EVENT_TABLE(wxPopupWindow, wxPopupWindowBase)
+BEGIN_EVENT_TABLE(wxPopupWindow,wxPopupWindowBase)
+#ifdef __WXUNIVERSAL__
     EVT_SIZE(wxPopupWindow::OnSize)
+#endif
 END_EVENT_TABLE()
 
 IMPLEMENT_DYNAMIC_CLASS(wxPopupWindow, wxWindow)