diff --git a/apiary-purescript.cabal b/apiary-purescript.cabal
--- a/apiary-purescript.cabal
+++ b/apiary-purescript.cabal
@@ -1,5 +1,5 @@
 name:                apiary-purescript
-version:             0.14.0.1
+version:             0.15.2
 synopsis:            purescript compiler for apiary web framework.
 description:
   example: <https://github.com/philopon/apiary/blob/master/examples/pureScript.hs>
@@ -20,18 +20,18 @@
   exposed-modules:     Web.Apiary.PureScript
                        Web.Apiary.PureScript.Explicit
   other-modules:       Web.Apiary.PureScript.Internal
-  build-depends:       base                 >=4.6   && <4.8
+  build-depends:       base                 >=4.6    && <4.8
                      , template-haskell
-                     , apiary               >=0.14  && <0.16
-                     , purescript           >=0.5   && <0.6
-                     , filepath             >=1.3   && <1.4
-                     , utf8-string          >=0.3   && <0.4
-                     , text                 >=1.1   && <1.2
-                     , bytestring           >=0.10  && <0.11
-                     , unordered-containers >=0.2   && <0.3
-                     , reflection           >=1.4   && <1.6
-                     , parsec               >=3.1   && <3.2
-                     , Glob                 >=0.7   && <0.8
+                     , apiary               >=0.15.2 && <0.16
+                     , purescript           >=0.5    && <0.6
+                     , filepath             >=1.3    && <1.4
+                     , utf8-string          >=0.3    && <0.4
+                     , text                 >=1.1    && <1.2
+                     , bytestring           >=0.10   && <0.11
+                     , unordered-containers >=0.2    && <0.3
+                     , reflection           >=1.4    && <1.6
+                     , parsec               >=3.1    && <3.2
+                     , Glob                 >=0.7    && <0.8
 
   hs-source-dirs:      src
   ghc-options:         -O2 -Wall
diff --git a/src/Web/Apiary/PureScript/Internal.hs b/src/Web/Apiary/PureScript/Internal.hs
--- a/src/Web/Apiary/PureScript/Internal.hs
+++ b/src/Web/Apiary/PureScript/Internal.hs
@@ -24,10 +24,6 @@
 import Data.Typeable
 import qualified Data.HashMap.Strict as H
 import qualified Text.Parsec.Error as P
-import qualified Data.Text.Lazy as T
-import qualified Data.Text.Lazy.Encoding as T
-import qualified Data.ByteString.Lazy as L
-import qualified Data.ByteString.Lazy.Char8 as LC
 
 import qualified Paths_apiary_purescript as Path
 
@@ -70,7 +66,7 @@
 
 data PureScript = PureScript
     { pscConfig :: PureScriptConfig
-    , compiled  :: IORef (H.HashMap FilePath L.ByteString)
+    , compiled  :: IORef (H.HashMap FilePath String)
     }
 
 withPureScript :: MonadIO m => PureScriptConfig -> (PureScript -> m b) -> m b
@@ -96,13 +92,13 @@
     let prel = preludePath conf
     concat `fmap` mapM readPscInput (prel : mods)
 
-compile :: PureScriptConfig -> FilePath -> IO L.ByteString
+compile :: PureScriptConfig -> FilePath -> IO String
 compile opt p = do
     mods <- pscModules opt
     mn   <- readPscInput p
     case P.compile (pureScriptOptions opt) $ mn ++ mods of
         Left l           -> throwIO (CompileError l)
-        Right (js, _, _) -> return . T.encodeUtf8 $ T.pack js
+        Right (js, _, _) -> return js
 
 pureScript :: MonadIO m => PureScript -> FilePath -> ActionT m ()
 pureScript env p = do
@@ -117,11 +113,12 @@
                return r
            Just r  -> return r
     case s of
-        Right r -> lbs r
-        Left  e | development (pscConfig env) -> 
-            lbs . LC.pack $ "alert(\"" ++ pr (e::PureScriptException) ++ "\")"
-
-                | otherwise -> lbs "alert(\"PureScript error.\");"
+        Right r -> string r
+        Left  e | development (pscConfig env) -> do
+            bytes "console.log(\""
+            string $ pr (e :: PureScriptException)
+            bytes "\")"
+                | otherwise -> bytes "console.log(\"PureScript error.\");"
   where
     pr = concatMap esc . show
     esc '"'  = "\\\""