diff --git a/.forgejo/workflows/build.yaml b/.forgejo/workflows/build.yaml
index 4dbd157..21e1c52 100644
--- a/.forgejo/workflows/build.yaml
+++ b/.forgejo/workflows/build.yaml
@@ -5,7 +5,9 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - run: |
-          echo ${{ secrets.SSH_KEY }} > $PWD/.ssh/id_rsa
+          cat <<EOF > $PWD/.ssh/id_rsa
+          ${{ secrets.SSH_KEY }}
+          EOF
           export NIX_SSHOPTS="-i $PWD/.ssh/id_rsa"
           nix flake update
       - run: nix build .#nixosConfigurations.orbi.config.system.build.toplevel