diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index fd8663e2..74d7c750 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -39,7 +39,8 @@ jobs:
           fetch-depth: 0  # for correct image labeling via `git describe --tags`
       - uses: docker/setup-buildx-action@v3
       - name: Configure `max-parallelism = 1` for Docker BuildKit
-        run: echo "[worker.oci]\nmax-parallelism = 1"
+        run: echo "[worker.oci]
+                   max-parallelism = 1"
              >> /tmp/buildkitd.toml
         if: ${{ matrix.arch == 'ppc64le' }}
       - run: cat /tmp/buildkitd.toml