diff --git a/Data/ISO3166_CountryCodes.hs b/Data/ISO3166_CountryCodes.hs
--- a/Data/ISO3166_CountryCodes.hs
+++ b/Data/ISO3166_CountryCodes.hs
@@ -35,7 +35,7 @@
      Uses some ad-hockery to rearrange the order of the words.
 
 -}
-readableCountryName :: CountryCode -> String
+readableCountryName :: CountryCode -> P.String
 
 readableCountryName
     = concat . intersperse " " . rearrange . fmap up1 . words .
@@ -568,7 +568,7 @@
 
    see @'readableCountryName'@ for something with a more pleasing word order and capitalisation
 -}
-countryNameFromCode:: CountryCode -> String
+countryNameFromCode:: CountryCode -> P.String
 countryNameFromCode AF = "AFGHANISTAN"
 countryNameFromCode AX = "ÅLAND ISLANDS"
 countryNameFromCode AL = "ALBANIA"
diff --git a/iso3166-country-codes.cabal b/iso3166-country-codes.cabal
--- a/iso3166-country-codes.cabal
+++ b/iso3166-country-codes.cabal
@@ -1,4 +1,4 @@
-Version: 0.20110810.3
+Version: 0.20110810.4
 Name:		iso3166-country-codes
 Cabal-Version:  >= 1.6
 Build-type:	Simple