diff --git a/haskeline.cabal b/haskeline.cabal
index 3c4a58cea3d3954c911952350f7af55f5e59421b..b97990a4eb37a39776a6b7214c55a937c08253bc 100644
--- a/haskeline.cabal
+++ b/haskeline.cabal
@@ -57,7 +57,7 @@ Library
                 ScopedTypeVariables, GeneralizedNewtypeDeriving
                 MultiParamTypeClasses, OverlappingInstances
                 UndecidableInstances
-                PatternSignatures, CPP, DeriveDataTypeable,
+                ScopedTypeVariables, CPP, DeriveDataTypeable,
                 PatternGuards
     Exposed-Modules:
                 System.Console.Haskeline