diff --git a/Language/Haskell/GhcMod/Monad.hs b/Language/Haskell/GhcMod/Monad.hs
index b031b1d..eeec1cc 100644
--- a/Language/Haskell/GhcMod/Monad.hs
+++ b/Language/Haskell/GhcMod/Monad.hs
@@ -74,6 +74,7 @@ import Control.Monad.Base (MonadBase, liftBase)
 import Control.Monad.Reader.Class
 import Control.Monad.State.Class
 import Control.Monad.Trans.Class
+import Control.Monad.Trans.Maybe -- fixme
 import Control.Monad.Trans.Control (MonadBaseControl(..), StM, liftBaseWith,
   control, liftBaseOp, liftBaseOp_)
 import Control.Monad.Trans.RWS.Lazy (RWST(..), runRWST)