diff --git a/src/hooks/roofcover/useRoofShapeSetting.js b/src/hooks/roofcover/useRoofShapeSetting.js
index 8ccd4b07..125d3d91 100644
--- a/src/hooks/roofcover/useRoofShapeSetting.js
+++ b/src/hooks/roofcover/useRoofShapeSetting.js
@@ -190,7 +190,9 @@ export function useRoofShapeSetting(id) {
       }
       case 4: {
         outerLines = canvas.getObjects().filter((obj) => obj.name === 'outerLine')
+
         const pitch = outerLines.find((line) => line.attributes.type === LINE_TYPE.WALLLINE.SHED)?.attributes.pitch
+        let isValid = outerLines.every((line) => line.attributes.isFixed)
         // 변별로 설정중 한쪽흐름일 경우 한쪽흐름의 pitch로 설정
         if (pitch) {
           outerLines.forEach((line) => {
@@ -203,6 +205,10 @@ export function useRoofShapeSetting(id) {
             }
           })
         }
+        if (!isValid) {
+          swalFire({ text: '설정이 완료되지 않았습니다.', icon: 'error' })
+          return
+        }
 
         break
       }