1 files changed, 2 insertions, 1 deletions
diff --git a/WorkspaceDir.hs b/WorkspaceDir.hs
index 97e5f94..3fe46d5 100644
--- a/WorkspaceDir.hs
+++ b/WorkspaceDir.hs
@@ -1,4 +1,5 @@
-{-# LANGUAGE FlexibleInstances #-}
+{-# OPTIONS_GHC -fglasgow-exts #-} -- For deriving Data/Typeable
+{-# LANGUAGE FlexibleInstances, MultiParamTypeClasses #-}
 
 -----------------------------------------------------------------------------
 -- |