@@ -336,7 +336,7 @@ function :: MakeStringRef name
336336 -- call the Haskell one when it is called
337337#if defined(ghcjs_HOST_OS) && defined(USE_JAVASCRIPTFFI)
338338function name f = liftIO $ do
339− callback <- syncCallback2 NeverRetain True $ \this args -> do
339+ callback <- syncCallback2 AlwaysRetain True $ \this args -> do
340340 rargs <- fromArray args
341341 runReaderT (f this this rargs) () -- TODO pass function object through
342342 makeFunctionWithCallback (makeStringRef name) callback