diff --git a/.gitea/workflows/image.yaml b/.gitea/workflows/image.yaml
index 7f25924..8322408 100644
--- a/.gitea/workflows/image.yaml
+++ b/.gitea/workflows/image.yaml
@@ -8,6 +8,9 @@ on:
       - "docker/Dockerfile"
       - ".gitea/workflows/image.yaml"
 
+env:
+  DOCKER_IMG: docker-asciidoctor-wavedrom
+
 jobs:
   build:
     name: Build and push to Container Registry
@@ -39,6 +42,6 @@ jobs:
           context: ./docker
           platforms: linux/amd64,linux/arm64
           tags: |
-            docker-asciidoctor-wavedrom:${{ github.sha }}
-            docker-asciidoctor-wavedrom:latest
+            ${{ vars.CONTAINER_REGISTRY_URL }}/${{ env.DOCKER_IMG }}:${{ gitea.sha }}
+            ${{ vars.CONTAINER_REGISTRY_URL }}/${{ env.DOCKER_IMG }}:latest
           push: true