diff --git a/app/helpers/context_helper.rb b/app/helpers/context_helper.rb
index 1677c2d02e..f7e74481b2 100644
--- a/app/helpers/context_helper.rb
+++ b/app/helpers/context_helper.rb
@@ -25,7 +25,7 @@ module ContextHelper
     memorial: { 'toot' => 'http://joinmastodon.org/ns#', 'memorial' => 'toot:memorial' },
     voters_count: { 'toot' => 'http://joinmastodon.org/ns#', 'votersCount' => 'toot:votersCount' },
     suspended: { 'toot' => 'http://joinmastodon.org/ns#', 'suspended' => 'toot:suspended' },
-    attribution_domains: { 'toot' => 'http://joinmastodon.org/ns#', 'attributionDomains' => { '@id' => 'toot:attributionDomains', '@type' => '@id' } },
+    attribution_domains: { 'toot' => 'http://joinmastodon.org/ns#', 'attributionDomains' => { '@id' => 'toot:attributionDomains', '@container' => '@set' } },
     profile_settings: {
       'toot' => 'http://joinmastodon.org/ns#',
       'showFeatured' => 'toot:showFeatured',
diff --git a/app/services/activitypub/process_account_service.rb b/app/services/activitypub/process_account_service.rb
index e616400c93..d4b38162a8 100644
--- a/app/services/activitypub/process_account_service.rb
+++ b/app/services/activitypub/process_account_service.rb
@@ -150,7 +150,7 @@ class ActivityPub::ProcessAccountService < BaseService
     @account.show_featured           = @json['showFeatured'] if @json.key?('showFeatured')
     @account.show_media              = @json['showMedia'] if @json.key?('showMedia')
     @account.show_media_replies      = @json['showRepliesInMedia'] if @json.key?('showRepliesInMedia')
-    @account.attribution_domains     = as_array(@json['attributionDomains'] || []).take(Account::ATTRIBUTION_DOMAINS_HARD_LIMIT).map { |item| value_or_id(item) }
+    @account.attribution_domains     = as_array(@json['attributionDomains'] || []).take(Account::ATTRIBUTION_DOMAINS_HARD_LIMIT).filter { |item| item.is_a?(String) }
   end
 
   def set_fetchable_key!