diff --git a/src/univ/menu.cpp b/src/univ/menu.cpp
index 1a70ef1eb4..62dc90a1c8 100644
--- a/src/univ/menu.cpp
+++ b/src/univ/menu.cpp
@@ -314,6 +314,12 @@ wxPopupMenuWindow::wxPopupMenuWindow(wxWindow *parent, wxMenu *menu)
 
 wxPopupMenuWindow::~wxPopupMenuWindow()
 {
+    // When m_popupMenu in wxMenu is deleted because it
+    // is a child of an old menu bar being deleted (note: it does
+    // not get destroyed by the wxMenu destructor, but
+    // by DestroyChildren()), m_popupMenu should be reset to NULL.
+
+    m_menu->m_popupMenu = NULL;
 }
 
 // ----------------------------------------------------------------------------
diff --git a/src/univ/notebook.cpp b/src/univ/notebook.cpp
index 39bf56b228..4c19121069 100644
--- a/src/univ/notebook.cpp
+++ b/src/univ/notebook.cpp
@@ -255,7 +255,7 @@ int wxNotebook::SetSelection(int nPage)
         m_pages[m_sel]->Show();
     }
 
-    return m_sel;
+    return selOld;
 }
 
 void wxNotebook::ChangePage(int nPage)