diff --git a/src/hooks/roofcover/useRoofAllocationSetting.js b/src/hooks/roofcover/useRoofAllocationSetting.js
index d9c2073c..8109a8bb 100644
--- a/src/hooks/roofcover/useRoofAllocationSetting.js
+++ b/src/hooks/roofcover/useRoofAllocationSetting.js
@@ -469,7 +469,7 @@ export function useRoofAllocationSetting(id) {
     const selectedRoofMaterial = roofMaterials.find((roof) => roof.roofMatlCd === value.id)
     const newRoofList = currentRoofList.map((roof, idx) => {
       if (idx === index) {
-        return { ...selectedRoofMaterial, selected: roof.selected }
+        return { ...selectedRoofMaterial, selected: roof.selected, index }
       }
       return roof
     })