diff --git a/action.yml b/action.yml
index 76d0991..3b1e77f 100644
--- a/action.yml
+++ b/action.yml
@@ -14,10 +14,10 @@ runs:
   steps:
     - name: Setup NIX CI Environment
       run: |
-        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
-        nix profile install nixpkgs#git-lfs nixpkgs#gnused
         mkdir -p ~/.config/nix && cp /etc/nix/nix.conf ~/.config/nix/
+        echo "substituters = https://nixpkgs-cache.qo.is?priority=39" >> ~/.config/nix/nix.conf
+        echo "trusted-public-keys = cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=" >> ~/.config/nix/nix.conf
+        nix profile install nixpkgs#git-lfs nixpkgs#gnused
 
     - name: Checkout Repository
       shell: "nix shell nixpkgs#git-lfs nixpkgs#gnused --command {0}"