diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6304004..0d0e4e5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,21 +17,16 @@ jobs:
     steps:
       - name: Setup NIX CI Environment
         run: |
-          nix profile install nixpkgs#git-lfs
+          nix profile install nixpkgs#git-lfs nixpkgs#gnused
           echo "substituters = https://nixpkgs-cache.qo.is?priority=39" >> /etc/nix/nix.conf
           echo "trusted-public-keys = cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=" >> /etc/nix/nix.conf
           mkdir -p ~/.config/nix && cp /etc/nix/nix.conf ~/.config/nix/
       - name: Checkout Repository
-        shell: "nix shell nixpkgs#git-lfs --command {0}"
+        shell: "nix shell nixpkgs#git-lfs nixpkgs#gnused --command {0}"
         run: |
-          mkdir ~/.config/git
-          cat <<__EOF__ > ~/.config/git/config
-          [credential "$GITHUB_SERVER_URL"]
-          	username = oauth2
-          	helper = "!f() { test \"$1\" = get && echo \"password=$(echo $GITHUB_TOKEN)\"; }; f"
-          __EOF__
-          git clone --no-checkout $GITHUB_SERVER_URL/$GITHUB_REPOSITORY .
-          git lfs install --local
+          git config --global credential.helper store
+          git lfs install
+          git clone --no-checkout `echo -n "$GITHUB_SERVER" | sed "s%https://%https://oauth2:$GITHUB_TOKEN@%"`/$GITHUB_REPOSITORY .
           git checkout --recurse-submodules $GITHUB_REF
           git lfs pull
       - name: Run Nix Build