diff --git a/app/indexers/concerns/hyku_indexing.rb b/app/indexers/concerns/hyku_indexing.rb
index ad06ade65..4b63331b6 100644
--- a/app/indexers/concerns/hyku_indexing.rb
+++ b/app/indexers/concerns/hyku_indexing.rb
@@ -10,7 +10,7 @@ module HykuIndexing
     define_method method_name do |*args, **kwargs, &block|
       super(*args, **kwargs, &block).tap do |solr_doc|
         # rubocop:disable Style/ClassCheck
-        
+
         # specs refer to object as @object
         object ||= @object || resource
 
@@ -18,6 +18,7 @@ module HykuIndexing
         solr_doc['bulkrax_identifier_tesim'] = object.bulkrax_identifier if object.respond_to?(:bulkrax_identifier)
         solr_doc['account_institution_name_ssim'] = Site.instance.institution_label
         solr_doc['valkyrie_bsi'] = object.kind_of?(Valkyrie::Resource)
+        solr_doc['member_ids_ssim'] = object.member_ids.map(&:id)
         # TODO: Reinstate once valkyrie fileset work is complete - https://github.com/scientist-softserv/hykuup_knapsack/issues/34
         solr_doc['all_text_tsimv'] = full_text(object.file_sets.first&.id) if object.kind_of?(ActiveFedora::Base)
         # rubocop:enable Style/ClassCheck
diff --git a/app/models/solr_document.rb b/app/models/solr_document.rb
index d3b733fb9..6e4051402 100644
--- a/app/models/solr_document.rb
+++ b/app/models/solr_document.rb
@@ -80,7 +80,7 @@ def show_pdf_download_button
 
   # @return [Array<SolrDocument>] a list of solr documents in no particular order
   def load_parent_docs
-    query("member_ids_ssim: #{id}", rows: 1000)
+    query("member_ids_ssim:#{id}", rows: 1000)
       .map { |res| ::SolrDocument.new(res) }
   end