diff --git a/Graphics/Gloss/Data/Display.hs b/Graphics/Gloss/Data/Display.hs
--- a/Graphics/Gloss/Data/Display.hs
+++ b/Graphics/Gloss/Data/Display.hs
@@ -10,4 +10,4 @@
 
         -- | Display full screen with a drawing area of the given size.
         | FullScreen (Int, Int) 
-        deriving (Eq, Show)
+        deriving (Eq, Read, Show)
diff --git a/gloss.cabal b/gloss.cabal
--- a/gloss.cabal
+++ b/gloss.cabal
@@ -1,5 +1,5 @@
 Name:                gloss
-Version:             1.7.3.1
+Version:             1.7.4.1
 License:             MIT
 License-file:        LICENSE
 Author:              Ben Lippmeier