diff --git a/postgresql-common.cabal b/postgresql-common.cabal
--- a/postgresql-common.cabal
+++ b/postgresql-common.cabal
@@ -2,10 +2,10 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 4c369b6db498a176311e660d7eb0528d548c5f9e7f244fd667b4b4af76d6e669
+-- hash: 7f883f30e3672c91761e447a327c42803467da6f90cba3e7f75b88be275f4a8a
 
 name:           postgresql-common
-version:        0.1.0.0
+version:        0.1.0.1
 synopsis:       Library for sharing common PostgreSQL types across Haskell PostgreSQL libraries.
 description:    Please see the README on GitHub at <https://github.com/iand675/postgresql-common#readme>
 homepage:       https://github.com/iand675/postgresql-common#readme
diff --git a/src/Database/PostgreSQL/Types/LSN.hs b/src/Database/PostgreSQL/Types/LSN.hs
--- a/src/Database/PostgreSQL/Types/LSN.hs
+++ b/src/Database/PostgreSQL/Types/LSN.hs
@@ -1,3 +1,4 @@
+{-# LANGUAGE BangPatterns #-}
 module Database.PostgreSQL.Types.LSN
     ( LSN(..)
     -- * Utilities
@@ -14,8 +15,10 @@
 import Data.Word
 import Data.Attoparsec.ByteString.Char8
 
--- TODO Ord instance
-data LSN = LSN !Word32 {- ^ Filepart -} !Word32 {- ^ Offset -}
+data LSN = LSN
+  { filepart :: !Word32 -- ^ Filepart
+  , offset :: !Word32 -- ^ Offset
+  }
   deriving (Show, Eq)
 
 instance Ord LSN where