diff --git a/app/models/doi.rb b/app/models/doi.rb
index b2d2fa1f1..292fe91d2 100644
--- a/app/models/doi.rb
+++ b/app/models/doi.rb
@@ -220,7 +220,7 @@ def self.query_aggregations
   end
 
   def self.query_fields
-    ['doi^10', 'title_normalized^10', 'author_names^10', 'author_normalized.name^10', 'author_normalized.id^10', 'publisher^10', 'description_normalized^10', 'resource_type_id^10', 'resource_type_subtype^10', 'alternate_identifier', '_all']
+    ['doi^10', 'title_normalized^10', 'author_names^10', 'author_normalized.name^10', 'author_normalized.id^10', 'publisher^10', 'description_normalized^10', 'resource_type_id^10', 'resource_type_subtype^10', 'alternate_identifier.name^10', '_all']
   end
 
   def self.find_by_id(id, options={})