diff --git a/app/serializers/manifest_serializer.rb b/app/serializers/manifest_serializer.rb
index dafe8f55b..4786aa760 100644
--- a/app/serializers/manifest_serializer.rb
+++ b/app/serializers/manifest_serializer.rb
@@ -48,7 +48,7 @@ class ManifestSerializer < ActiveModel::Serializer
   end
 
   def scope
-    root_url
+    '/'
   end
 
   def share_target