diff --git a/src/Console.hs b/src/Console.hs
index 4a73cfe59..a9b2e4a47 100644
--- a/src/Console.hs
+++ b/src/Console.hs
@@ -22,3 +22,5 @@ instance Enum Colour where
   toEnum 36 = Cyan
   toEnum 37 = White
   toEnum _ = error "unknown colour code"
+
+data Style = Normal | Bold | Underline