diff --git a/.github/workflows/docker-build.yml b/.github/workflows/docker-build.yml
index 295564766e..a8a3ab281e 100644
--- a/.github/workflows/docker-build.yml
+++ b/.github/workflows/docker-build.yml
@@ -77,7 +77,7 @@ jobs:
 
     - name: Write metadata output to a json file
       run: |
-        cat << EOF > bake_metadata.json
+        cat << 'EOF' > bake_metadata.json
         ${{ steps.build.outputs.metadata }}
         EOF