diff --git a/multifile.cabal b/multifile.cabal
--- a/multifile.cabal
+++ b/multifile.cabal
@@ -10,7 +10,7 @@
 -- PVP summary:      +-+------- breaking API changes
 --                   | | +----- non-breaking API additions
 --                   | | | +--- code changes with no API change
-version:             0.1.0.1
+version:             0.1.0.2
 
 -- A short (one-line) description of the package.
 synopsis: create many files from one
@@ -60,7 +60,7 @@
   -- other-extensions:    
   
   -- Other library packages from which modules are imported.
-  build-depends:       base >=4.9 && <4.10 , HaXml < 10000 , directory < 10000, optparse-applicative
+  build-depends:       base >=4.9 && <4.10 , HaXml < 10000 , directory < 10000, optparse-applicative < 10000 , pretty <10000
   
   -- Directories containing source files.
   hs-source-dirs:      src
diff --git a/src/Main.hs b/src/Main.hs
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -12,12 +12,13 @@
 
 import Options.Applicative
 
+import Text.PrettyPrint
 
 create' xs = do
  files <- forM xs $ \filePath -> do
    content <- readFile filePath
    return ( File (File_Attrs filePath) content )
- return (show $ htmlprint $ toContents $ Multifile files)
+ return (render $ htmlprint $ toContents $ Multifile files)
 
 create xs = create' xs >>= putStr