diff --git a/src/Xanthous/Entities.hs b/src/Xanthous/Entities.hs
index af226b395..93c4813cc 100644
--- a/src/Xanthous/Entities.hs
+++ b/src/Xanthous/Entities.hs
@@ -21,6 +21,7 @@ module Xanthous.Entities
 
   , EntityChar(..)
   , HasChar(..)
+  , HasStyle(..)
 
   , Brain(..)
   , Brainless(..)