1 files changed, 4 insertions, 1 deletions
diff --git a/XMonad.hs b/XMonad.hs
index c3733be..eec2a53 100644
--- a/XMonad.hs
+++ b/XMonad.hs
@@ -1,4 +1,7 @@
-{-# LANGUAGE ExistentialQuantification, FlexibleInstances, GeneralizedNewtypeDeriving, MultiParamTypeClasses #-}
+{-# LANGUAGE ExistentialQuantification, FlexibleInstances, GeneralizedNewtypeDeriving,
+             MultiParamTypeClasses, TypeSynonymInstances #-}
+-- required for deriving Typeable
+{-# OPTIONS_GHC -fglasgow-exts #-}
 
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