diff --git a/.github/workflows/build-and-publish.yaml b/.github/workflows/build-and-publish.yaml
index 827e85a..f8115f3 100644
--- a/.github/workflows/build-and-publish.yaml
+++ b/.github/workflows/build-and-publish.yaml
@@ -28,13 +28,19 @@ jobs:
         username: ${{ github.actor }}
         password: ${{ github.token }}
 
+    - name: lowercase repo name
+      id: lower-repo
+      shell: pwsh
+      run: |
+        "::set-output name=repository::$($env:GITHUB_REPOSITORY.ToLowerInvariant())"
+  
     - name: build and push Docker image
       uses: docker/build-push-action@v4
       with:
         file: Dockerfile
         push: true
         tags: |
-          ghcr.io/${{ github.repository_owner }}/parkapi2:latest
+          ${{ steps.lower-repo.outputs.repository }}:latest
         platforms: linux/amd64,linux/arm64
         # https://docs.docker.com/build/ci/github-actions/cache/#cache-backend-api
         cache-from: type=gha