diff --git a/hspec-core.cabal b/hspec-core.cabal
--- a/hspec-core.cabal
+++ b/hspec-core.cabal
@@ -3,7 +3,7 @@
 -- see: https://github.com/sol/hpack
 
 name:             hspec-core
-version:          2.2.0
+version:          2.2.1
 license:          MIT
 license-file:     LICENSE
 copyright:        (c) 2011-2015 Simon Hengel,
diff --git a/src/Test/Hspec/Core/Formatters.hs b/src/Test/Hspec/Core/Formatters.hs
--- a/src/Test/Hspec/Core/Formatters.hs
+++ b/src/Test/Hspec/Core/Formatters.hs
@@ -191,10 +191,13 @@
           writeLine ("       " ++ x)
       where
         err = either (("uncaught exception: " ++) . formatException) id reason
-        formatLoc (Location file line _column accuracy) = "  " ++ file ++ ":" ++ show line ++ ":" ++ bestEffortMarking
+        formatLoc (Location file line _column accuracy) = "  " ++ file ++ ":" ++ show line ++ ":" ++ message
           where
-            bestEffortMarking = case accuracy of
-              ExactLocation -> ""
+            message = case accuracy of
+              ExactLocation -> " " -- NOTE: Vim's default 'errorformat'
+                                   -- requires a non-empty message.  This is
+                                   -- why we use a single space as message
+                                   -- here.
               BestEffort -> " (best-effort)"
 
 defaultFooter :: FormatM ()
diff --git a/src/Test/Hspec/FailureReport.hs b/src/Test/Hspec/FailureReport.hs
--- a/src/Test/Hspec/FailureReport.hs
+++ b/src/Test/Hspec/FailureReport.hs
@@ -1,13 +1,17 @@
+{-# LANGUAGE CPP #-}
 module Test.Hspec.FailureReport (
   FailureReport (..)
 , writeFailureReport
 , readFailureReport
 ) where
 
-import           System.IO
+#ifndef __GHCJS__
 import           System.SetEnv
+import           Test.Hspec.Core.Util (safeTry)
+#endif
+import           System.IO
 import           Test.Hspec.Compat
-import           Test.Hspec.Core.Util (Path, safeTry)
+import           Test.Hspec.Core.Util (Path)
 
 data FailureReport = FailureReport {
   failureReportSeed :: Integer
@@ -18,6 +22,14 @@
 } deriving (Eq, Show, Read)
 
 writeFailureReport :: FailureReport -> IO ()
+#ifdef __GHCJS__
+writeFailureReport _ = return ()
+  -- ghcjs currently does not support setting environment variables
+  -- (https://github.com/ghcjs/ghcjs/issues/263). Since writing a failure report
+  -- into the environment is a non-essential feature we just disable this to be
+  -- able to run hspec test-suites with ghcjs at all. Should be reverted once
+  -- the issue is fixed.
+#else
 writeFailureReport x = do
   -- on Windows this can throw an exception when the input is too large, hence
   -- we use `safeTry` here
@@ -25,6 +37,7 @@
   where
     onError err = do
       hPutStrLn stderr ("WARNING: Could not write environment variable HSPEC_FAILURES (" ++ show err ++ ")")
+#endif
 
 readFailureReport :: IO (Maybe FailureReport)
 readFailureReport = do
diff --git a/test/Test/Hspec/Core/FormattersSpec.hs b/test/Test/Hspec/Core/FormattersSpec.hs
--- a/test/Test/Hspec/Core/FormattersSpec.hs
+++ b/test/Test/Hspec/Core/FormattersSpec.hs
@@ -168,7 +168,7 @@
             addLoc e = e {H.itemLocation = Just loc}
         r <- runSpec $ H.mapSpecItem_ addLoc $ do
           H.it "foo" False
-        r `shouldContain` ["  test/FooSpec.hs:23:", "  1) foo"]
+        r `shouldContain` ["  test/FooSpec.hs:23: ", "  1) foo"]
 
       context "when source location is exact" $ do
         it "includes that source locations" $ do
@@ -176,7 +176,7 @@
               addLoc e = e {H.itemLocation = Just loc}
           r <- runSpec $ H.mapSpecItem_ addLoc $ do
             H.it "foo" False
-          r `shouldSatisfy` any (== "  test/FooSpec.hs:23:")
+          r `shouldSatisfy` any (== "  test/FooSpec.hs:23: ")
 
         it "does not include 'best-effort' explanation" $ do
           let loc = H.Location "test/FooSpec.hs" 23 0 H.ExactLocation