diff --git a/.github/workflows/build-image.yml b/.github/workflows/build-image.yml
index 2ec6b3d4b..ae4c2aff9 100644
--- a/.github/workflows/build-image.yml
+++ b/.github/workflows/build-image.yml
@@ -13,15 +13,14 @@ jobs:
       - uses: docker/setup-buildx-action@v1
       - uses: docker/login-action@v1
         with:
-          registry: ghcr.io
-          username: ${{ github.repository_owner }}
-          password: ${{ secrets.GITHUB_TOKEN }}
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
       - uses: docker/metadata-action@v3
         id: meta
         with:
-          images: ghcr.io/${{ github.repository_owner }}/mastodon
+          images: tootsuite/mastodon
           flavor: |
-            latest=true
+            latest=auto
           tags: |
             type=edge,branch=main
             type=semver,pattern={{ raw }}
@@ -30,5 +29,5 @@ jobs:
           context: .
           push: true
           tags: ${{ steps.meta.outputs.tags }}
-          cache-from: type=registry,ref=ghcr.io/${{ github.repository_owner }}/mastodon:latest
+          cache-from: type=registry,ref=tootsuite/mastodon:latest
           cache-to: type=inline
diff --git a/app/lib/webfinger.rb b/app/lib/webfinger.rb
index e0e022cea..1ffb5b4bf 100644
--- a/app/lib/webfinger.rb
+++ b/app/lib/webfinger.rb
@@ -46,7 +46,9 @@ class Webfinger
   def body_from_webfinger(url = standard_url, use_fallback = true)
     webfinger_request(url).perform do |res|
       if res.code == 200
-        res.body_with_limit
+        body = res.body_with_limit
+        raise Webfinger::Error, "Request for #{@uri} returned empty response" if body.empty?
+        body
       elsif res.code == 404 && use_fallback
         body_from_host_meta
       elsif res.code == 410