diff --git a/src/hooks/useMode.js b/src/hooks/useMode.js
index 1782dde8..643e7e99 100644
--- a/src/hooks/useMode.js
+++ b/src/hooks/useMode.js
@@ -922,8 +922,8 @@ export function useMode() {
     setRoof(roof)
     setWall(polygon)
 
-    // roof.drawHelpLine()
-    // roof.divideLine()
+    roof.drawHelpLine()
+    roof.divideLine()
   }
 
   const drawRoofPolygon = (wall, offset = 50) => {