diff --git a/x-pack/test/functional/apps/rollup_job/hybrid_index_pattern.js b/x-pack/test/functional/apps/rollup_job/hybrid_index_pattern.js
index 047179cd7f34c..b1c37234cdf65 100644
--- a/x-pack/test/functional/apps/rollup_job/hybrid_index_pattern.js
+++ b/x-pack/test/functional/apps/rollup_job/hybrid_index_pattern.js
@@ -110,7 +110,7 @@ export default function ({ getService, getPageObjects }) {
       // ensure all fields are available
       await PageObjects.settings.clickIndexPatternByName(rollupIndexPatternName);
       const fields = await PageObjects.settings.getFieldNames();
-      expect(fields).to.eql(['@timestamp', '_id', '_index', '_score', '_source']);
+      expect(fields).to.eql(['@timestamp', '_id', '_ignored', '_index', '_score', '_source']);
     });
 
     after(async () => {