diff --git a/app/models/lexical_query_builder.rb b/app/models/lexical_query_builder.rb
index 4dbdeb8..5d7b301 100644
--- a/app/models/lexical_query_builder.rb
+++ b/app/models/lexical_query_builder.rb
@@ -147,7 +147,7 @@ def fields_to_search(fulltext)
     fields = ['alternate_titles', 'call_numbers', 'citation', 'contents', 'contributors.value', 'dates.value',
               'edition', 'funding_information.*', 'identifiers.value', 'languages', 'locations.value',
               'notes.value', 'numbering', 'publication_information', 'subjects.value', 'summary', 'title']
-    fields << 'fulltext' if fulltext
+    fields << 'fulltext^0.1' if fulltext
 
     fields
   end
diff --git a/test/models/lexical_query_builder_test.rb b/test/models/lexical_query_builder_test.rb
index ce318d9..1e6701f 100644
--- a/test/models/lexical_query_builder_test.rb
+++ b/test/models/lexical_query_builder_test.rb
@@ -71,14 +71,16 @@ class LexicalQueryBuilderTest < ActiveSupport::TestCase
     builder = LexicalQueryBuilder.new
     params = { q: 'this' }
 
-    assert(builder.build(params, fulltext: true).to_json.include?('"fields":["alternate_titles","call_numbers","citation","contents","contributors.value","dates.value","edition","funding_information.*","identifiers.value","languages","locations.value","notes.value","numbering","publication_information","subjects.value","summary","title","fulltext"]'))
+    assert(builder.build(params,
+                         fulltext: true).to_json.include?('"fields":["alternate_titles","call_numbers","citation","contents","contributors.value","dates.value","edition","funding_information.*","identifiers.value","languages","locations.value","notes.value","numbering","publication_information","subjects.value","summary","title","fulltext^0.1"]'))
   end
 
   test 'fulltext is not included by default' do
     builder = LexicalQueryBuilder.new
     params = { q: 'this' }
 
-    assert(builder.build(params, fulltext: false).to_json.include?('"fields":["alternate_titles","call_numbers","citation","contents","contributors.value","dates.value","edition","funding_information.*","identifiers.value","languages","locations.value","notes.value","numbering","publication_information","subjects.value","summary","title"]'))
+    assert(builder.build(params,
+                         fulltext: false).to_json.include?('"fields":["alternate_titles","call_numbers","citation","contents","contributors.value","dates.value","edition","funding_information.*","identifiers.value","languages","locations.value","notes.value","numbering","publication_information","subjects.value","summary","title"]'))
   end
 
   test 'can search by geopoint' do