diff --git a/Prof2Html.hs b/Prof2Html.hs
--- a/Prof2Html.hs
+++ b/Prof2Html.hs
@@ -21,7 +21,7 @@
 import Text.RegexPR
 import Numeric
 import Data.List
- 
+
 type Exp_ = Exp
 pprint tm
   = "<style> a.info{    position:relative;    z-index:24;    color:#000;    text-decoration:none}  a.info:hover{z-index:25;} a.info span{display: none} a.info:hover span{ /*the span will display just on :hover state*/    display:block;    position:absolute;    top:2em; left:2em; width:15em;    border:1px solid #0cf;    background-color:#cff; color:#000;    text-align: center} </style><pre>"
@@ -80,9 +80,7 @@
 outputHTML file profName tm
   = do putStrLn "parsing profiling results"
        profFile <- lines <$> readFile profName
-       let prof = map (wordsBy (==' ')) $ takeWhile (/="") $ drop 9 profFile
-       {-when (profileTicks prof == 0)-}
-         {-(error "the program has to run longer to get enough information")-}
+       let prof = filter ((all isDigit) . head) $ map (wordsBy (==' ')) $ takeWhile (/="") $ drop 9 profFile
        let profMap = IMap.fromList $ zip (map (read . (!!0)) prof) (map ((/100) . read . (!!2)) prof)
        putStrLn "printing output html file"
        let html = addColour profMap $ pprint tm
@@ -100,7 +98,7 @@
        let inpFile = ind args 4
        let bak = file ++ ".bak"
        let profName = takeBaseName run ++ ".prof"
-       (do removeFile bak `catch`
+       (do removeFile bak `Exc.catch`
              (\ e -> unless (isDoesNotExistError e) $ ioError e)
            renameFile file bak
            putStrLn "started parsing original file"
diff --git a/visual-prof.cabal b/visual-prof.cabal
--- a/visual-prof.cabal
+++ b/visual-prof.cabal
@@ -1,5 +1,5 @@
 Name:                   visual-prof
-Version:                0.3
+Version:                0.4
 Cabal-Version:		    >= 1.2
 License:                BSD3
 License-file:           LICENSE
@@ -38,7 +38,7 @@
     Build-Depends: base >= 3 && < 5, containers
   else
     Build-Depends: base < 3
-  Build-depends: parsec, filepath, haskell-src-exts, regexpr, directory, process, pretty, mtl, uniplate, split
+  Build-depends: filepath, haskell-src-exts, regexpr, directory, process, pretty, mtl, uniplate, split
 
   Main-is:                Prof2Html.hs
   Other-modules:          Pretty