# Trouble getting a nix/haskell environment setup on M1 Mac **URL:** \ **Category:** Smart Contracts\ **Tags:** plutus\ **Created:** [26 September 2021 23:49 UTC](https://forum.cardano.org/t/trouble-getting-a-nix-haskell-environment-setup-on-m1-mac/76709 "2021-09-26T23:49:31Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![bgourlie](https://sea1.discourse-cdn.com/flex023/user_avatar/forum.cardano.org/bgourlie/32/43503_2.png) [@bgourlie](https://forum.cardano.org/u/bgourlie)\ **Post date:** [26 September 2021 23:49 UTC](https://forum.cardano.org/t/trouble-getting-a-nix-haskell-environment-setup-on-m1-mac/76709/1 "2021-09-26T23:49:31Z")
I’m trying to get up and running with the Plutus Starter and encountering the following issue when running `nix-shell`: ```auto error: Package ‘ghc-8.10.4.20210212’ in /nix/store/.../ghc/default.nix:339 is not supported on ‘aarch64-darwin’, refusing to evaluate. ``` The version of GHC being used here looks to be one release prior to [M1 support](https://www.haskell.org/ghc/blog/20210605-ghc-8.10.5-released.html). I’m not well-versed in the Haskell ecosystem or nix, and I’m having a hard time understanding what dictates which ghc version is used here and how I might get it to use a supported version. For what it’s worth, [nix purports to have implemented support for M1 Macs](https://github.com/NixOS/nixpkgs/issues/95903#issuecomment-914061347). ---
**Author:** ![Adrian\_Nistor](https://sea1.discourse-cdn.com/flex023/user_avatar/forum.cardano.org/adrian_nistor/32/28166_2.png) [@Adrian\_Nistor](https://forum.cardano.org/u/Adrian_Nistor)\ **Post date:** [27 September 2021 10:30 UTC](https://forum.cardano.org/t/trouble-getting-a-nix-haskell-environment-setup-on-m1-mac/76709/2 "2021-09-27T10:30:58Z")
A quick & “dirty” fix is to make nix run with Rosetta by specifying this in your /etc/nix/nix.conf file: `system = x86_64-darwin`