diff --git a/.github/workflows/build-push-metadata_relay.yml b/.github/workflows/build-push-metadata_relay.yml
index 5a48d20..9e3f8a3 100644
--- a/.github/workflows/build-push-metadata_relay.yml
+++ b/.github/workflows/build-push-metadata_relay.yml
@@ -37,6 +37,10 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
+      - name: Set repository name to lowercase
+        id: repo_name
+        run: echo "name=$(echo '${{ github.event.repository.name }}' | tr '[:upper:]' '[:lower:]')" >> $GITHUB_OUTPUT
+
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3