diff --git a/MuCheck-HUnit.cabal b/MuCheck-HUnit.cabal
--- a/MuCheck-HUnit.cabal
+++ b/MuCheck-HUnit.cabal
@@ -1,5 +1,5 @@
 name:                MuCheck-HUnit
-version:             0.2.0.0
+version:             0.2.1.0
 synopsis:            Automated Mutation Testing for HUnit tests
 description:         This package contains the test adapter for HUnit tests to use it with MuCheck
 homepage:            https://bitbucket.com/osu-testing/mucheck-hunit
@@ -19,12 +19,13 @@
 source-repository    this
   type:              git
   location:          https://bitbucket.org/osu-testing/mucheck-hunit.git
-  tag:               0.2.0.0
+  tag:               0.2.1.0
 
 executable mucheck-hunit
   build-depends:    base >=4 && <5,
                     HUnit>=1.0,
-                    MuCheck== 0.2.0.*
+                    MissingH >= 1.3,
+                    MuCheck== 0.2.1.*
   default-language: Haskell2010
   hs-source-dirs:   src
   main-is:          Main.hs
@@ -34,7 +35,8 @@
   exposed-modules:  Test.MuCheck.TestAdapter.HUnit
   build-depends:    base >=4 && <5,
                     HUnit>=1.0,
-                    MuCheck==0.2.0.*
+                    MissingH >= 1.3,
+                    MuCheck==0.2.1.*
   default-language: Haskell2010
   hs-source-dirs:   src
 
diff --git a/src/Main.hs b/src/Main.hs
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -1,6 +1,5 @@
 module Main where
 import System.Environment (getArgs, withArgs)
-import Control.Monad (void)
 
 import Test.MuCheck (mucheck)
 import Test.MuCheck.TestAdapter.HUnit
@@ -12,12 +11,12 @@
   val <- getArgs
   case val of
     ("-h" : _ ) -> help
-    (fn : file : modulename : args) -> withArgs [] $ mucheck tsFn fn file modulename args
-    _ -> error "Need function file modulename [args]\n\tUse -h to get help"
-  where tsFn :: [MutantFilename] -> [InterpreterOutput HUnitSummary] -> Summary
+    (fn : file : args) -> withArgs [] $ mucheck tsFn fn file args
+    _ -> error "Need function file [args]\n\tUse -h to get help"
+  where tsFn :: [Mutant] -> [InterpreterOutput HUnitSummary] -> Summary
         tsFn = testSummary
 
 
 help :: IO ()
-help = putStrLn $ "mucheck function file modulename [args]\n" ++ showAS ["E.g:",
-       " mucheck-hunit qsort Examples/HUnitTest.hs Examples.HUnitTest 'runTestTT tests'", ""]
+help = putStrLn $ "mucheck function file [args]\n" ++ showAS ["E.g:",
+       " mucheck-hunit qsort Examples/HUnitTest.hs 'runTestTT tests'", ""]
diff --git a/src/Test/MuCheck/TestAdapter/HUnit.hs b/src/Test/MuCheck/TestAdapter/HUnit.hs
--- a/src/Test/MuCheck/TestAdapter/HUnit.hs
+++ b/src/Test/MuCheck/TestAdapter/HUnit.hs
@@ -4,6 +4,7 @@
 import qualified Test.HUnit as HUnit
 import Test.MuCheck.TestAdapter
 import Test.MuCheck.Utils.Print (showA, showAS)
+import Data.Hash.MD5 (md5s, Str(..))
 
 import Data.Typeable
 import Data.List((\\))
@@ -15,15 +16,15 @@
 -- | Summarizable instance of `HUnitSumary`
 instance Summarizable HUnitSummary where
   testSummary mutantFiles results = Summary logMsg
-    where (loadingErrorCases, executedCases) = partitionEithers results
-          loadingErrorFiles = mutantFiles \\ map fst executedCases
+    where (errorCases, executedCases) = partitionEithers results
+          errorFiles = map (\l -> ".mutants/" ++ (md5s $ Str l) ++ ".hs") mutantFiles \\ map fst executedCases
           successCases = filter (isSuccess . snd) executedCases
           failuresCases = filter (isFailure . snd) executedCases
           runningErrorCases = filter ((>0) . HUnit.errors . snd) executedCases \\ failuresCases
           failToFullyTryCases = filter ((\c -> HUnit.cases c > HUnit.tried c) . snd) executedCases
           logMsg = showAS ["Details:",
-                           "Loading error files:",showA loadingErrorFiles,
-                           "Loading error messages:",showA loadingErrorCases,
+                           "Loading error files:",showA errorFiles,
+                           "Loading error messages:",showA errorCases,
                            "Successes:", showA successCases,
                            "Failures:", showA failuresCases,
                            "Error while running:", showA runningErrorCases,