diff --git a/cabal2nix.cabal b/cabal2nix.cabal
--- a/cabal2nix.cabal
+++ b/cabal2nix.cabal
@@ -1,5 +1,5 @@
 Name:                   cabal2nix
-Version:                1.33
+Version:                1.34
 Copyright:              Peter Simons, Andres Loeh
 License:                BSD3
 License-File:           LICENSE
@@ -31,8 +31,8 @@
   .
   The only required argument is the path to the cabal file. For example:
   .
-  > cabal2nix http://hackage.haskell.org/packages/archive/cabal2nix/1.33/cabal2nix.cabal
-  > cabal2nix cabal://cabal2nix-1.33
+  > cabal2nix http://hackage.haskell.org/packages/archive/cabal2nix/1.34/cabal2nix.cabal
+  > cabal2nix cabal://cabal2nix-1.34
   .
   If the @--sha256@ option has not been specified, cabal2nix calls
   @nix-prefetch-url@ to determine the hash automatically. This causes
diff --git a/src/Cabal2Nix/Flags.hs b/src/Cabal2Nix/Flags.hs
--- a/src/Cabal2Nix/Flags.hs
+++ b/src/Cabal2Nix/Flags.hs
@@ -9,6 +9,7 @@
  | name == "haskeline"          = [enable "terminfo"]
  | name == "reactive-banana-wx" = [disable "buildExamples"]
  | name == "xmobar"             = [enable "with_xft", enable "with_iwlib"]
+ | name == "xmonad-extras"      = [disable "with_hlist"]
  | otherwise                    = []
 
 enable :: String -> (FlagName,Bool)