diff --git a/src/hooks/module/useTrestle.js b/src/hooks/module/useTrestle.js
index 686643a7..248568b5 100644
--- a/src/hooks/module/useTrestle.js
+++ b/src/hooks/module/useTrestle.js
@@ -2086,7 +2086,7 @@ export const useTrestle = () => {
       moduleTpCd: module.itemTp,
       roofMatlCd: parent.roofMaterial.roofMatlCd,
       mixMatlNo: module.mixMatlNo,
-      raftBaseCd: addRoof.raft,
+      raftBaseCd: addRoof.raft ?? addRoof.raftBaseCd,
       inclCd: addRoof.pitch,
       roofPitch: !addRoof.roofPchBase ? addRoof.roofPchBase : Number(addRoof.roofPchBase),
       exposedLowerBottomTotCnt: result.exposedBottom, // 노출 최하면 갯수