diff --git a/app/controllers/spotlight/solr_controller.rb b/app/controllers/spotlight/solr_controller.rb
index 47640ff0a..5a1b622f1 100644
--- a/app/controllers/spotlight/solr_controller.rb
+++ b/app/controllers/spotlight/solr_controller.rb
@@ -20,7 +20,7 @@ def update
 
       data = solr_documents
 
-      repository.connection.update params: { commitWithin: 500 }, data: data.to_json, headers: { 'Content-Type' => 'application/json' } unless data.empty?
+      @exhibit.blacklight_config.repository.connection.update params: { commitWithin: 500 }, data: data.to_json, headers: { 'Content-Type' => 'application/json' } unless data.empty?
 
       if params[:resources_json_upload]
         redirect_back fallback_location: exhibit_resources_path(@exhibit)