diff --git a/src/components/floor-plan/modal/basic/step/Placement.jsx b/src/components/floor-plan/modal/basic/step/Placement.jsx
index 2b0e9c03..d4b979c7 100644
--- a/src/components/floor-plan/modal/basic/step/Placement.jsx
+++ b/src/components/floor-plan/modal/basic/step/Placement.jsx
@@ -59,7 +59,7 @@ const Placement = forwardRef((props, refs) => {
       }
 
       //모듈 배치면 생성
-      if (moduleSelectionData.module.itemList.length > 1) {
+      if (isObjectNotEmpty(moduleSelectionData.module) && moduleSelectionData.module.itemList.length > 1) {
         setIsMultiModule(true)
       }
     }
diff --git a/src/hooks/module/useModuleBasicSetting.js b/src/hooks/module/useModuleBasicSetting.js
index 3deee779..a7a03c42 100644
--- a/src/hooks/module/useModuleBasicSetting.js
+++ b/src/hooks/module/useModuleBasicSetting.js
@@ -407,7 +407,7 @@ export function useModuleBasicSetting(tabNum) {
     //지붕패턴 변경
     const roofs = canvas.getObjects().filter((obj) => obj.name === 'roof')
     roofs.forEach((roof) => {
-      setSurfaceShapePattern(roof, roofDisplay.column, false) //패턴 변경
+      setSurfaceShapePattern(roof, roofDisplay.column, false, roof.roofMaterial) //패턴 변경
     })
   }