diff --git a/.github/workflows/cd.yaml b/.github/workflows/cd.yaml
index 830742367..6e907f625 100644
--- a/.github/workflows/cd.yaml
+++ b/.github/workflows/cd.yaml
@@ -35,9 +35,16 @@ jobs:
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
+      - name: lowercase repo name to use in following step
+        env:
+          REPO: ${{ github.repository }}
+        run: |
+          echo "REPO=${GITHUB_REPOSITORY,,}" >> $GITHUB_ENV
+
       - name: Build and push
         uses: docker/build-push-action@v3
         with:
           context: ./query-connector
           push: true
-          tags: ghcr.io/${{ github.repository }}/query-connector:main, ghcr.io/${{ github.repository }}/query-connector:latest
+          tags: |
+            ghcr.io/${{ env.REPO }}/query-connector:main, ghcr.io/${{ env.REPO }}/query-connector:latest