diff --git a/app/models/concerns/indexable.rb b/app/models/concerns/indexable.rb
index ae183c2dc..cad216f4d 100644
--- a/app/models/concerns/indexable.rb
+++ b/app/models/concerns/indexable.rb
@@ -1219,7 +1219,7 @@ def delete_by_query(options = {})
 
       client = Elasticsearch::Model.client
       response =
-        client.delete_by_query(index: options[:index], body: { query: { query_string: { query: options[:query] }}})
+        client.delete_by_query(index: options[:index], body: { query: { query_string: { query: options[:query] } } })
 
       if response.to_h["deleted"]
         "Deleted #{response.to_h['deleted'].to_i} DOIs."