diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 5eb3ccd..001849e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,11 +1,8 @@
 image: nixos/nix
 pages:
   script:
-    # enable flakes
-    - mkdir -p ~/.config/nix
-    - echo "experimental-features = nix-command flakes" >> ~/.config/nix/nix.conf
     # the final contents for your page always have to be stored in the public folder
-    - nix build
+    - nix build --experimental-features 'nix-command flakes'
     - cp -r result/. public/
   artifacts:
     # artifact to make it visible for gitlab pages