diff --git a/.github/workflows/artifacts-index.yaml b/.github/workflows/artifacts-index.yaml
index ccd06b142..c3652a4ec 100644
--- a/.github/workflows/artifacts-index.yaml
+++ b/.github/workflows/artifacts-index.yaml
@@ -46,7 +46,7 @@ jobs:
           aws s3 cp \
             "${{ github.event.inputs.version }}.json" \
             s3://${{ secrets.R2_OS_ARTIFACTS_BUCKET }}/indexes/ \
-            --endpoint-url "${{ secrets.R2_OS_ARTIFACTS_ENDPOINT }}""
+            --endpoint-url "${{ secrets.R2_OS_ARTIFACTS_ENDPOINT }}"
 
       - name: Regenerate artifacts index
         env: