diff --git a/.github/workflows/docker-image-publish.yml b/.github/workflows/docker-image-publish.yml
index a4971032b..ed6ffaa92 100644
--- a/.github/workflows/docker-image-publish.yml
+++ b/.github/workflows/docker-image-publish.yml
@@ -60,6 +60,7 @@ jobs:
         run: echo "IMAGE_NAME_LOWER=$(echo ${{ env.IMAGE_NAME }} | tr '[:upper:]' '[:lower:]')" >> $GITHUB_ENV
 
       - name: Build and push Docker image
+        id: build-and-push
         uses: docker/build-push-action@v2
         with:
           context: .
@@ -79,8 +80,9 @@ jobs:
           chmod +x /usr/local/bin/cosign
 
       - name: Sign the published Docker image
-        if: ${{ github.event_name != 'pull_request' }}
+        if: github.event_name != 'pull_request'
         env:
           TAGS: ${{ steps.meta.outputs.tags }}
           DIGEST: ${{ steps.build-and-push.outputs.digest }}
-        run: echo "${TAGS}" | xargs -I {} cosign sign --yes {}@${DIGEST}
+        run: |
+          echo "${TAGS}" | xargs -I {} cosign sign --yes {}@${DIGEST}