diff --git a/src/mac/carbon/listbox.cpp b/src/mac/carbon/listbox.cpp
index 557d05f213..2d8471f00e 100644
--- a/src/mac/carbon/listbox.cpp
+++ b/src/mac/carbon/listbox.cpp
@@ -872,7 +872,9 @@ void wxListBox::OnChar(wxKeyEvent& event)
 	}
 	else if ( event.KeyCode() == WXK_DOWN || event.KeyCode() == WXK_UP )
 	{
-	  ::HandleControlKey( (ControlHandle) m_macControl , keycode , keychar , ev->modifiers ) ;
+	    // default handling
+	    event.Skip() ;
+//	  ::HandleControlKey( (ControlHandle) m_macControl , keycode , keychar , ev->modifiers ) ;
 	} 
 	else
 	{
diff --git a/src/mac/listbox.cpp b/src/mac/listbox.cpp
index 557d05f213..2d8471f00e 100644
--- a/src/mac/listbox.cpp
+++ b/src/mac/listbox.cpp
@@ -872,7 +872,9 @@ void wxListBox::OnChar(wxKeyEvent& event)
 	}
 	else if ( event.KeyCode() == WXK_DOWN || event.KeyCode() == WXK_UP )
 	{
-	  ::HandleControlKey( (ControlHandle) m_macControl , keycode , keychar , ev->modifiers ) ;
+	    // default handling
+	    event.Skip() ;
+//	  ::HandleControlKey( (ControlHandle) m_macControl , keycode , keychar , ev->modifiers ) ;
 	} 
 	else
 	{