diff --git a/src/components/floor-plan/modal/basic/step/Trestle.jsx b/src/components/floor-plan/modal/basic/step/Trestle.jsx
index 9fd2a7aa..5ed0bdfa 100644
--- a/src/components/floor-plan/modal/basic/step/Trestle.jsx
+++ b/src/components/floor-plan/modal/basic/step/Trestle.jsx
@@ -240,6 +240,7 @@ const Trestle = forwardRef((props, ref) => {
         return {
           ...selectedRoof,
           hajebichi,
+          lenBase: lengthBase,
           eavesMargin,
           ridgeMargin,
           kerabaMargin,
diff --git a/src/hooks/module/useModuleTrestle.js b/src/hooks/module/useModuleTrestle.js
index 14e93de3..e1957913 100644
--- a/src/hooks/module/useModuleTrestle.js
+++ b/src/hooks/module/useModuleTrestle.js
@@ -85,7 +85,7 @@ export function useModuleTrestle(props) {
     setEavesMargin(selectedRoof?.eavesMargin ?? 0)
     setRidgeMargin(selectedRoof?.ridgeMargin ?? 0)
     setKerabaMargin(selectedRoof?.kerabaMargin ?? 0)
-    setLengthBase(Math.round(selectedRoof?.trestle?.lengthBase ?? 0))
+    setLengthBase(Math.round(selectedRoof?.lenBase ?? 0))
     setCvrYn(selectedRoof?.construction?.cvrYn ?? 'N')
     setCvrChecked(selectedRoof?.construction?.cvrChecked ?? false)
     setSnowGdPossYn(selectedRoof?.construction?.snowGdPossYn ?? 'N')