diff --git a/src/hooks/roofcover/useRoofAllocationSetting.js b/src/hooks/roofcover/useRoofAllocationSetting.js
index 671d4c7e..536a2127 100644
--- a/src/hooks/roofcover/useRoofAllocationSetting.js
+++ b/src/hooks/roofcover/useRoofAllocationSetting.js
@@ -446,12 +446,10 @@ export function useRoofAllocationSetting(id) {
    * 지붕재 변경
    */
   const handleChangeRoofMaterial = (value, index) => {
-    const selectedIndex = roofMaterials.findIndex((roof) => roof.selected)
-
     const selectedRoofMaterial = roofMaterials.find((roof) => roof.roofMatlCd === value.id)
     const newRoofList = currentRoofList.map((roof, idx) => {
       if (idx === index) {
-        return { ...selectedRoofMaterial }
+        return { ...selectedRoofMaterial, selected: roof.selected }
       }
       return roof
     })