diff --git a/idiii.cabal b/idiii.cabal
--- a/idiii.cabal
+++ b/idiii.cabal
@@ -1,11 +1,11 @@
 Name:                idiii
-Version:             0.1
+Version:             0.1.1
 Synopsis:            Reading and writing of ID3v2 tags
 Description:         Reading and writing of ID3v2 tags
 Category:            Text, Sound
 License:             BSD3
 License-file:        LICENSE
-Author:              laughedelic
+Author:              laughedelic, Chris Wagner
 Maintainer:          christopher.t.wagner@gmail.com
 Build-Depends:       base < 5, haskell98, bytestring, polyparse, text, data-accessor, utf8-string, containers, MissingH
 Build-Type:          Simple
diff --git a/src/ID3/Parser/NativeFrames.hs b/src/ID3/Parser/NativeFrames.hs
--- a/src/ID3/Parser/NativeFrames.hs
+++ b/src/ID3/Parser/NativeFrames.hs
@@ -14,31 +14,6 @@
 --frameInfo :: String -> TagParser (FrameName, FrameInfo)
 
 
----- {-- TODO: 4.1.   Unique file identifier
-
---  This frame's purpose is to be able to identify the audio file in a
---  database, that may provide more information relevant to the content.
---  Since standardisation of such a database is beyond this document, all
---  UFID frames begin with an 'owner identifier' field. It is a null-
---  terminated string with a URL [URL] containing an email address, or a
---  link to a location where an email address can be found, that belongs
---  to the organisation responsible for this specific database
---  implementation. Questions regarding the database should be sent to
---  the indicated email address. The URL should not be used for the
---  actual database queries. The string
---  "http://www.id3.org/dummy/ufid.html" should be used for tests. The
---  'Owner identifier' must be non-empty (more than just a termination).
---  The 'Owner identifier' is then followed by the actual identifier,
---  which may be up to 64 bytes. There may be more than one "UFID" frame
---  in a tag, but only one with the same 'Owner identifier'.
-
- --  <Header for 'Unique file identifier', ID: "UFID">
- --  Owner identifier        <text string> $00
- --  Identifier              <up to 64 bytes binary data>
----- --}
-
-
-
 ---- {--    4.2.   Text information frames
 
 --  The text information frames are often the most important frames,
@@ -81,6 +56,36 @@
 urlInfo name = do
     url <- parseString 0
     return $ URL url
+
+
+---- {-- 4.1.   Unique file identifier
+
+--  This frame's purpose is to be able to identify the audio file in a
+--  database, that may provide more information relevant to the content.
+--  Since standardisation of such a database is beyond this document, all
+--  UFID frames begin with an 'owner identifier' field. It is a null-
+--  terminated string with a URL [URL] containing an email address, or a
+--  link to a location where an email address can be found, that belongs
+--  to the organisation responsible for this specific database
+--  implementation. Questions regarding the database should be sent to
+--  the indicated email address. The URL should not be used for the
+--  actual database queries. The string
+--  "http://www.id3.org/dummy/ufid.html" should be used for tests. The
+--  'Owner identifier' must be non-empty (more than just a termination).
+--  The 'Owner identifier' is then followed by the actual identifier,
+--  which may be up to 64 bytes. There may be more than one "UFID" frame
+--  in a tag, but only one with the same 'Owner identifier'.
+
+ --  <Header for 'Unique file identifier', ID: "UFID">
+ --  Owner identifier        <text string> $00
+ --  Identifier              <up to 64 bytes binary data>
+
+frameInfo "UFID" = do
+    ownerId <- parseString 0
+    identifier <- many' anyWord8
+    return $ UFID ownerId identifier
+
+---- --}
 
 
 ---- {--    4.2.1.   Identification frames
diff --git a/src/ID3/Type/Frame.hs b/src/ID3/Type/Frame.hs
--- a/src/ID3/Type/Frame.hs
+++ b/src/ID3/Type/Frame.hs
@@ -287,7 +287,7 @@
 
 initFrame id = updateSize $ initID3Frame [ frHeader.>frID ^= id, frInfo ^= inf ]
     where inf = case id of
-            "UFID" -> UFID "" ""
+            "UFID" -> UFID "" []
             "TXXX" -> TXXX 03 "" ""
             "TCMP" -> TCMP False
             ('T':_)-> Text 03 ""
diff --git a/src/ID3/Type/FrameInfo.hs b/src/ID3/Type/FrameInfo.hs
--- a/src/ID3/Type/FrameInfo.hs
+++ b/src/ID3/Type/FrameInfo.hs
@@ -7,7 +7,7 @@
 import Data.Word                (Word8)
 
 data FrameInfo = UFID { owner :: String
-                      , id    :: String }
+                      , id    :: [Word8] }
                | Text { enc   :: Integer
                       , text  :: String }
                | TXXX { enc   :: Integer
@@ -77,7 +77,7 @@
 
 instance Parsed FrameInfo where
     unparse inf = case inf of
-               UFID owner id       -> (encode owner) ++ [0x00] ++ (encode id)
+               UFID owner theid    -> (encode owner) ++ [0x00] ++ theid
                Text enc text       -> (fromInteger enc) : (encode text)
                TXXX enc descr text -> (fromInteger enc) : (encode descr) ++ [0x00] ++ (encode text)
                URL  url            ->  encode url