diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
++[0.3.0](https://github.com/guillaume-nargeot/codcov-haskell/issues?q=milestone:v0.3.0+is:closed)
+-----
+* Fix coverage result response reading (issue #5)
+
 +[0.2.0](https://github.com/guillaume-nargeot/codcov-haskell/issues?q=milestone:v0.2.0+is:closed)
 -----
 * Fix coverage conversion rule for otherwise bug (issue #4)
diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-codecov-haskell [![Build Status](http://img.shields.io/travis/guillaume-nargeot/codecov-haskell/master.svg)](https://travis-ci.org/guillaume-nargeot/codecov-haskell) [![Gitter chat](http://img.shields.io/badge/gitter-chat--room-brightgreen.svg)](https://gitter.im/guillaume-nargeot/codecov-haskell) [![BSD3 License](http://img.shields.io/badge/license-BSD3-brightgreen.svg)](https://tldrlegal.com/license/bsd-3-clause-license-%28revised%29) [![v0.2.0 on Hackage](http://img.shields.io/badge/hackage-0.2.0-brightgreen.svg)](http://hackage.haskell.org/package/codecov-haskell-0.2.0)
+codecov-haskell [![Build Status](http://img.shields.io/travis/guillaume-nargeot/codecov-haskell/master.svg)](https://travis-ci.org/guillaume-nargeot/codecov-haskell) [![Gitter chat](http://img.shields.io/badge/gitter-chat--room-brightgreen.svg)](https://gitter.im/guillaume-nargeot/codecov-haskell) [![BSD3 License](http://img.shields.io/badge/license-BSD3-brightgreen.svg)](https://tldrlegal.com/license/bsd-3-clause-license-%28revised%29) [![v0.3.0 on Hackage](http://img.shields.io/badge/hackage-0.3.0-brightgreen.svg)](http://hackage.haskell.org/package/codecov-haskell-0.3.0)
 ===============
 
 codecov-haskell converts and sends Haskell projects hpc code coverage to [codecov.io](http://codecov.io/).
@@ -36,6 +36,7 @@
 You may also experience some issues related to your project dependencies, which can be solved by using the `--avoid-reinstalls`/`--force-reinstalls` flags.</br>
 Another way to solve problems related dependencies is to install codecov-haskell in a sandbox, as in the example below:
 ```yaml
+after_script:
   - cabal sandbox init && cabal install codecov-haskell
   - .cabal-sandbox/bin/codecov-haskell [options] [test-suite-names]
 ```
@@ -60,7 +61,7 @@
 Below is an example which can be useful for projects with a Travis configuration based on [multi-ghc-travis](https://github.com/hvr/multi-ghc-travis):
 
 ```yaml
-run-cabal-test --cabal-name=cabal-1.18
+run-cabal-test --cabal-name=cabal-1.20
 ```
 
 ## The codecov-haskell command
@@ -89,6 +90,10 @@
 ```yaml
 codecov-haskell --exclude-dir=test1 --exclude-dir=test2 [test-suite-names]
 ```
+
+#### --display-report
+
+This boolean option prints the raw json coverage report to be sent to coveralls.io.
 
 #### --dont-send
 
diff --git a/codecov-haskell.cabal b/codecov-haskell.cabal
--- a/codecov-haskell.cabal
+++ b/codecov-haskell.cabal
@@ -1,5 +1,5 @@
 name:           codecov-haskell
-version:        0.2.0
+version:        0.3.0
 synopsis:       Codecov.io support for Haskell.
 description:
   This utility converts and sends Haskell projects hpc code coverage to
diff --git a/src/CodecovHaskellMain.hs b/src/CodecovHaskellMain.hs
--- a/src/CodecovHaskellMain.hs
+++ b/src/CodecovHaskellMain.hs
@@ -1,6 +1,7 @@
 module Main where
 
 import           Control.Applicative
+import           Control.Concurrent
 import           Control.Monad
 import           Data.Aeson
 import qualified Data.ByteString.Lazy.Char8 as BSL
@@ -46,7 +47,12 @@
                 apiUrl <- getUrlApiV1
                 response <- postJson (BSL.unpack $ encode codecovJson) apiUrl (printResponse cha)
                 case response of
-                    PostSuccess url totalCoverage -> do
+                    PostSuccess url waitUrl -> do
                         putStrLn ("URL: " ++ url)
-                        putStrLn ("Coverage: " ++ totalCoverage)
+                        -- wait 10 seconds until the page is available
+                        threadDelay (10 * 1000000)
+                        coverageResult <- readCoverageResult waitUrl (printResponse cha)
+                        case coverageResult of
+                            Just totalCoverage -> putStrLn ("Coverage: " ++ totalCoverage) >> exitSuccess
+                            Nothing -> putStrLn "Failed to read total coverage" >> exitSuccess
                     PostFailure msg -> putStrLn ("Error: " ++ msg) >> exitFailure
diff --git a/src/Trace/Hpc/Codecov/Curl.hs b/src/Trace/Hpc/Codecov/Curl.hs
--- a/src/Trace/Hpc/Codecov/Curl.hs
+++ b/src/Trace/Hpc/Codecov/Curl.hs
@@ -10,8 +10,9 @@
 --
 -- Functions for sending coverage report files over http.
 
-module Trace.Hpc.Codecov.Curl ( postJson, PostResult (..) ) where
+module Trace.Hpc.Codecov.Curl ( postJson, readCoverageResult, PostResult (..) ) where
 
+import           Control.Applicative
 import           Control.Monad
 import           Data.Aeson
 import           Data.Aeson.Types (parseMaybe)
@@ -22,7 +23,7 @@
 
 parseResponse :: CurlResponse -> PostResult
 parseResponse r = case respCurlCode r of
-    CurlOK -> PostSuccess (getField "url") (show (getField "coverage" :: Integer) ++ "%")
+    CurlOK -> PostSuccess (getField "url") (getField "wait_url")
     _      -> PostFailure $ getField "message"
     where getField fieldName = fromJust $ mGetField fieldName
           mGetField fieldName = do
@@ -44,3 +45,25 @@
     r <- perform_with_response_ h
     when printResponse $ putStrLn $ respBody r
     return $ parseResponse r
+
+extractCoverage :: String -> Maybe String
+extractCoverage rBody = (++ "%") . show <$> (getField "coverage" :: Maybe Integer)
+    where getField fieldName = do
+              result <- decode $ LBS.pack rBody
+              parseMaybe (.: fieldName) result
+
+-- | Read the coveraege result page from coveralls.io
+readCoverageResult :: URLString         -- ^ target url
+                   -> Bool              -- ^ print json response if true
+                   -> IO (Maybe String) -- ^ coverage result
+readCoverageResult url printResponse = do
+    response <- curlGetString url curlOptions
+    when printResponse $ putStrLn $ snd response
+    return $ case response of
+        (CurlOK, body) -> extractCoverage body
+        _ -> Nothing
+    where curlOptions = [
+              CurlTimeout 60,
+              CurlConnectTimeout 60,
+              CurlVerbose True,
+              CurlFollowLocation True]
diff --git a/src/Trace/Hpc/Codecov/Types.hs b/src/Trace/Hpc/Codecov/Types.hs
--- a/src/Trace/Hpc/Codecov/Types.hs
+++ b/src/Trace/Hpc/Codecov/Types.hs
@@ -29,5 +29,5 @@
 
 -- | Result to the POST request to codecov.io
 data PostResult =
-    PostSuccess URLString String -- ^ Codecov job url and total coverage percentage
-  | PostFailure String           -- ^ error message
+    PostSuccess URLString URLString -- ^ Codecov job url and wait url
+  | PostFailure String              -- ^ error message