diff --git a/purescript-iso.cabal b/purescript-iso.cabal
--- a/purescript-iso.cabal
+++ b/purescript-iso.cabal
@@ -4,10 +4,10 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 2058c3363478467a6999fd7f7046f77cff04128810d3882c084170379e867bc9
+-- hash: a43d5ec3d9017065ae05e5357c9112d551d36e5abf3184248379ba30bc7a97d8
 
 name:           purescript-iso
-version:        0.0.4
+version:        0.0.5
 synopsis:       Isomorphic trivial data type definitions over JSON
 description:    Please see the README on GitHub at <https://github.com/githubuser/purescript-iso#readme>
 category:       Web
diff --git a/src/Data/Aeson/JSONString.hs b/src/Data/Aeson/JSONString.hs
--- a/src/Data/Aeson/JSONString.hs
+++ b/src/Data/Aeson/JSONString.hs
@@ -15,5 +15,6 @@
 import Test.QuickCheck.Instances ()
 
 
-newtype JSONString = JSONString Text
-  deriving (Eq, Ord, Generic, ToJSON, FromJSON, NFData, IsString, Arbitrary)
+newtype JSONString = JSONString
+  { getJSONString :: Text
+  } deriving (Eq, Ord, Generic, ToJSON, FromJSON, NFData, IsString, Arbitrary)