diff --git a/src/generic/combog.cpp b/src/generic/combog.cpp
index 092e3e75dd..7f354a8f3c 100644
--- a/src/generic/combog.cpp
+++ b/src/generic/combog.cpp
@@ -430,7 +430,8 @@ bool wxGenericComboCtrl::IsKeyPopupToggle(const wxKeyEvent& event) const
     }
     else
     {
-        if ( keycode == WXK_DOWN && event.AltDown() )
+        if ( (keycode == WXK_DOWN && event.AltDown()) ||
+             (keycode == WXK_F4) )
             return true;
     }