Hi there, Not sure where to raise bugs in hackage libraries, so I'm posting here. If there is a better place, please let me know. The following code crashes with a divide by zero error when using the package 'binary-0.4.' module Main where import IO import Data.Binary import Data.Binary.Put import qualified Data.ByteString.Lazy as B simpleImage = take tot (map (\x -> x `mod` 256) [1..]) where tot = 640 * 480 main = do output <- openFile "test.tmp" WriteMode B.hPut output $ runPut $ mapM_ putWord8 simpleImage -- Jamie Love Senior Consultant Aviarc Australia Mobile: +61 400 548 048 ------------------------------------------------------------ This message has been scanned for viruses and dangerous content by MailScanner and is believed to be clean.