diff --git a/.github/workflows/on_tag.yml b/.github/workflows/on_tag.yml
index a335bbd..c815e9f 100644
--- a/.github/workflows/on_tag.yml
+++ b/.github/workflows/on_tag.yml
@@ -31,7 +31,7 @@ jobs:
   deploy_docker_image:
     env:
       CI_REGISTRY_IMAGE: bluebrain/bbp-atlas-pipeline
-      REGISTRY_IMAGE_TAG: ${{ GITHUB_REF_NAME }}
+      REGISTRY_IMAGE_TAG: ${{ env.GITHUB_REF_NAME }}
       REGISTRY_IMAGE_TAG_: $GITHUB_REF_NAME
     runs-on: ubuntu-latest
     steps: