diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,11 @@
 Changes
 =======
 
+Version 2.3.3.1
+---------------
+
+* Fix a bug with UTF-8 output
+
 Version 2.3.3
 -------------
 
diff --git a/Test/Tasty/Golden.hs b/Test/Tasty/Golden.hs
--- a/Test/Tasty/Golden.hs
+++ b/Test/Tasty/Golden.hs
@@ -62,8 +62,10 @@
 import Test.Tasty.Golden.Advanced
 import Test.Tasty.Golden.Internal
 import Text.Printf
-import qualified Data.ByteString.Lazy.Char8 as LBS
+import qualified Data.ByteString.Lazy as LBS
 import Data.Monoid
+import qualified Data.Text.Lazy as LT
+import qualified Data.Text.Lazy.Encoding as LT
 import System.IO
 import System.IO.Temp
 import System.Process
@@ -111,7 +113,7 @@
   cmp sizeCutoff x y = simpleCmp msg x y
     where
     msg = printf "Test output was different from '%s'. It was:\n" ref <>
-      LBS.unpack (truncateLargeOutput sizeCutoff y)
+      unpackUtf8 (truncateLargeOutput sizeCutoff y)
   upd = createDirectoriesAndWriteFile ref
 
 simpleCmp :: Eq a => String -> a -> a -> IO (Maybe String)
@@ -152,7 +154,7 @@
     r <- waitForProcess pid
     return $ case r of
       ExitSuccess -> Nothing
-      _ -> Just . LBS.unpack . truncateLargeOutput sizeCutoff $ out
+      _ -> Just . unpackUtf8 . truncateLargeOutput sizeCutoff $ out
 
   upd _ = readFileStrict new >>= createDirectoriesAndWriteFile ref
 
@@ -195,7 +197,7 @@
     r <- waitForProcess pid
     return $ case r of
       ExitSuccess -> Nothing
-      _ -> Just (printf "Test output was different from '%s'. Output of %s:\n" ref (show cmd) <> LBS.unpack (truncateLargeOutput sizeCutoff out))
+      _ -> Just (printf "Test output was different from '%s'. Output of %s:\n" ref (show cmd) <> unpackUtf8 (truncateLargeOutput sizeCutoff out))
 
   upd = createDirectoriesAndWriteFile ref
 
@@ -288,3 +290,6 @@
   s <- LBS.hGetContents h
   evaluate $ forceLbs s
   return s
+
+unpackUtf8 :: LBS.ByteString -> String
+unpackUtf8 = LT.unpack . LT.decodeUtf8
diff --git a/Test/Tasty/Golden/Internal.hs b/Test/Tasty/Golden/Internal.hs
--- a/Test/Tasty/Golden/Internal.hs
+++ b/Test/Tasty/Golden/Internal.hs
@@ -1,5 +1,5 @@
 {-# LANGUAGE RankNTypes, ExistentialQuantification, DeriveDataTypeable,
-    MultiParamTypeClasses, GeneralizedNewtypeDeriving #-}
+    MultiParamTypeClasses, GeneralizedNewtypeDeriving, CPP #-}
 module Test.Tasty.Golden.Internal where
 
 import Control.DeepSeq
@@ -8,9 +8,12 @@
 import Data.Proxy
 import Data.Int
 import System.IO.Error (isDoesNotExistError)
-import Options.Applicative (metavar)
+import Options.Applicative (metavar, showDefaultWith, value)
 import Test.Tasty.Providers
 import Test.Tasty.Options
+#if !MIN_VERSION_base(4,11,0)
+import Data.Monoid ((<>))
+#endif
 
 -- | See 'goldenTest' for explanation of the fields
 data Golden =
@@ -49,14 +52,17 @@
 -- for readability.
 --
 -- The default value is 1000 (i.e. 1Kb).
-newtype SizeCutoff = SizeCutoff Int64
+newtype SizeCutoff = SizeCutoff { getSizeCutoff :: Int64 }
   deriving (Eq, Ord, Typeable, Num, Real, Enum, Integral)
 instance IsOption SizeCutoff where
   defaultValue = 1000
   parseValue = fmap SizeCutoff . safeRead . filter (/= '_')
   optionName = return "size-cutoff"
   optionHelp = return "hide golden test output if it's larger than n bytes"
-  optionCLParser = mkOptionCLParser $ metavar "n"
+  optionCLParser = mkOptionCLParser $
+    metavar "n" <>
+    value defaultValue <>
+    showDefaultWith (show . getSizeCutoff)
 
 instance IsTest Golden where
   run opts golden _ = runGolden golden opts
diff --git a/tasty-golden.cabal b/tasty-golden.cabal
--- a/tasty-golden.cabal
+++ b/tasty-golden.cabal
@@ -1,5 +1,5 @@
 name:                tasty-golden
-version:             2.3.3
+version:             2.3.3.1
 synopsis:            Golden tests support for tasty
 description:
   This package provides support for «golden testing».
@@ -17,7 +17,7 @@
 Bug-reports:         https://github.com/feuerbach/tasty-golden/issues
 author:              Roman Cheplyaka
 maintainer:          Roman Cheplyaka <roma@ro-che.info>
--- copyright:           
+-- copyright:
 category:            Testing
 build-type:          Simple
 cabal-version:       >=1.14
@@ -56,14 +56,15 @@
     bytestring >= 0.9.2.1,
     process,
     mtl,
-    optparse-applicative,
+    optparse-applicative >= 0.3.1,
     filepath,
     temporary,
     tagged,
     deepseq,
     containers,
     directory,
-    async
+    async,
+    text
 
 Test-suite test
   Default-language: