--- /dev/null
+diff --git a/src/Graphics/UI/WX/Window.hs b/src/Graphics/UI/WX/Window.hs
+index 0b04fa9..39c0505 100644
+--- a/src/Graphics/UI/WX/Window.hs
++++ b/src/Graphics/UI/WX/Window.hs
+@@ -1,2 +1,2 @@
+-{-# LANGUAGE TypeSynonymInstances, FlexibleInstances #-}
++{-# LANGUAGE TypeSynonymInstances, FlexibleInstances, FlexibleContexts #-}
+ --------------------------------------------------------------------------------