diff --git a/.github/workflows/publish-helm.yml b/.github/workflows/publish-helm.yml
index 17f829fc..be07964c 100644
--- a/.github/workflows/publish-helm.yml
+++ b/.github/workflows/publish-helm.yml
@@ -26,7 +26,7 @@ jobs:
       - name: Generate chart index
         run: |
           cd chart-output
-          helm repo index . --url "https://$GITHUB_REPOSITORY_OWNER.github.io/${GITHUB_REPOSITORY#*/}"
+          helm repo index . --url "https://$GITHUB_REPOSITORY_OWNER.github.io/charts/${GITHUB_REPOSITORY#*/}"
 
       - name: Publish to gh-pages
         uses: peaceiris/actions-gh-pages@v4