diff --git a/web/app/components/datasets/create/step-two/index.tsx b/web/app/components/datasets/create/step-two/index.tsx
index 95e2e766df..3e1e9b6eba 100644
--- a/web/app/components/datasets/create/step-two/index.tsx
+++ b/web/app/components/datasets/create/step-two/index.tsx
@@ -177,6 +177,8 @@ const StepTwo = ({
     setDocForm(value)
     // eslint-disable-next-line @typescript-eslint/no-use-before-define
     currentEstimateMutation.reset()
+    if (value === ChuckingMode.parentChild)
+      setIndexType(IndexingType.QUALIFIED)
   }
 
   const [docLanguage, setDocLanguage] = useState<string>(