diff --git a/.github/workflows/docker-image.yml b/.github/workflows/docker-image.yml
index 3f0900c..ce56ad0 100644
--- a/.github/workflows/docker-image.yml
+++ b/.github/workflows/docker-image.yml
@@ -115,13 +115,11 @@ jobs:
       -
         name: Build and push
         uses: docker/build-push-action@v4
-        env:
-          # FIXME this should reflect the tag/branch/whatever we are building
-          COMMAND_VERSION: "latest"
         with:
           context: cronjob
-          build-args:
-            COMMAND_VERSION
+          # FIXME this should reflect the tag/branch/whatever we are building
+          build-args: |
+            COMMAND_VERSION=latest
           push: true
           tags: ${{ steps.metadata.outputs.tags }}
           labels: ${{ steps.metadata.outputs.labels }}