diff --git a/lhs2TeX-hl.cabal b/lhs2TeX-hl.cabal
index 3f8dd2b..45b5611 100644
--- a/lhs2TeX-hl.cabal
+++ b/lhs2TeX-hl.cabal
@@ -1,5 +1,5 @@
 Name:               lhs2TeX-hl
-Version:            0.1.4.4
+Version:            0.1.4.5
 Cabal-Version:      >= 1.6
 License:            MIT
 Author:             Alessandro Vermeulen <me@alessandrovermeulen.me>
@@ -29,6 +29,8 @@ Executable lhs2TeX-hl
                   , haskell-src-exts == 1.11.1
                   , syb >= 0.1.0.1
                   , cmdargs >= 0.1
+                  , filepath == 1.2.0.0
+                  , uu-parsinglib >= 2.7
   hs-source-dirs:   src
   Other-Modules:    Data.Data, Data.List.Utils, Data.String.Utils, 
                     Language.LaTeX, Language.Markup, Literate.Agda,
diff --git a/src/Base/Common.hs b/src/Base/Common.hs
index 219add2..f0445a6 100644
--- a/src/Base/Common.hs
+++ b/src/Base/Common.hs
@@ -1,4 +1,4 @@
 module Base.Common where
   
-programVersion = "0.1.4.3"
+programVersion = "0.1.4.5"
 programName    = "lhs2TeX-hl"
\ No newline at end of file
diff --git a/src/LiterateHighlighter.hs b/src/LiterateHighlighter.hs
index cccdb4f..4893de4 100644
--- a/src/LiterateHighlighter.hs
+++ b/src/LiterateHighlighter.hs
@@ -61,10 +61,7 @@ main = do args <- cmdArgsRun standard
                     hSetEncoding stderr utf8                                   
 
 discoverFiles :: FilePath -> IO [FilePath]
-discoverFiles fp = do contents  <- fmap ( map ((base ++) . fromJust) 
-                                        . filter isJust 
-                                        . map runPInclude 
-                                        . lines) 
+discoverFiles fp = do contents  <- fmap (\xs -> [base ++ x | Just x <- map runPInclude (lines xs)])
                                         (readFile fp)
                       files <- mapM discoverFiles contents
                       return (nub $ fp : concat files)
@@ -75,7 +72,8 @@ discoverFiles fp = do contents  <- fmap ( map ((base ++) . fromJust)
 runPInclude = runParse pInclude
 
 runParse :: Show t => Parser t -> String -> Maybe t
-runParse p inp = let r@(a, errors) = PCC.parse ( (,) <$> p <*> pEnd) (createStr (LineColPos 0 0 0) inp)
+runParse p inp = let r@(a, errors) = PCC.parse (  (,) <$> p <*> pEnd) 
+                                               (createStr (LineColPos 0 0 0) inp)
                  in if null errors then
                         Just a
                       else