diff --git a/web/app/components/datasets/create/step-two/index.tsx b/web/app/components/datasets/create/step-two/index.tsx
index c931addd1..ec053ccbe 100644
--- a/web/app/components/datasets/create/step-two/index.tsx
+++ b/web/app/components/datasets/create/step-two/index.tsx
@@ -207,7 +207,14 @@ const StepTwo = ({
     }
     if (value === ChunkingMode.parentChild && indexType === IndexingType.ECONOMICAL)
       setIndexType(IndexingType.QUALIFIED)
+
     setDocForm(value)
+
+    if (value === ChunkingMode.parentChild)
+      setSegmentationType(ProcessMode.parentChild)
+    else
+      setSegmentationType(ProcessMode.general)
+
     // eslint-disable-next-line ts/no-use-before-define
     currentEstimateMutation.reset()
   }