diff --git a/test/functional/page_objects/unified_field_list.ts b/test/functional/page_objects/unified_field_list.ts
index a6cbaf81730df..0cea844c65372 100644
--- a/test/functional/page_objects/unified_field_list.ts
+++ b/test/functional/page_objects/unified_field_list.ts
@@ -36,6 +36,7 @@ export class UnifiedFieldListPageObject extends FtrService {
   }
 
   public async getSidebarAriaDescription(): Promise<string> {
+    await this.header.waitUntilLoadingHasFinished();
     return (
       (await (
         await this.testSubjects.find('fieldListGrouped__ariaDescription')