diff --git a/ideas.cabal b/ideas.cabal
--- a/ideas.cabal
+++ b/ideas.cabal
@@ -1,5 +1,5 @@
 name:                   ideas
-version:                1.3
+version:                1.3.1
 synopsis:               Feedback services for intelligent tutoring systems
 homepage:               http://ideas.cs.uu.nl/www/
 description:
diff --git a/src/Network/CGI/Protocol.hs b/src/Network/CGI/Protocol.hs
--- a/src/Network/CGI/Protocol.hs
+++ b/src/Network/CGI/Protocol.hs
@@ -93,11 +93,7 @@
 -- | The result of a CGI program.
 data CGIResult = CGIOutput ByteString
                | CGINothing
--- #if MIN_VERSION_base(4,7,0)
---                  deriving (Show, Read, Eq, Ord, Typeable)
--- #else
-                 deriving (Show, Read, Eq, Ord)
--- #endif
+   deriving (Show, Read, Eq, Ord)
 
 --
 -- * Running CGI actions