Hi, I added '-optl-static' in GHC option to make my program compiled statically. When I compiled the following code using 'stack build': -- Main.hs {-# LANGUAGE OverloadedStrings #-} module Main where import Web.Scotty as Scotty import Network.Wreq as Wreq import Control.Monad.IO.Class main :: IO () main = scotty 8443 $ do Scotty.get (literal "/") $ do _ <- liftIO $ Wreq.get "https://www.google.com/" html "Could not see this" -- Ran the compiled program and accessing "http://localhost:8443" would raise a segmentation fault. Here are what in my 'ghc-option': ghc-options: - -optl-static - -threaded - -rtsopts - -with-rtsopts=-N Then I removed the '-optl-static', compiled it, and the program ran well. It seems that it something has to do with glibc. What can I do with this problem? Regards PS. I'm using GHC 8.8.2, stack 2.1.3