diff --git a/.forgejo/workflows/demo.yml b/.forgejo/workflows/demo.yml
index 554861f..3b56e78 100644
--- a/.forgejo/workflows/demo.yml
+++ b/.forgejo/workflows/demo.yml
@@ -11,6 +11,6 @@ jobs:
           nix-shell -p git
           git clone https://"${{ vars.GIT_USER }}":"${{ vars.GIT_PASS }}"@git.le43.eu/tbarnouin/nixos-hypervisor
           cd nixos-hypervisor
-          nix --experimental-features 'nix-command flakes' .#nginx
+          nix --experimental-features 'nix-command flakes' build .#nginx
           echo "All set !"