diff --git a/src/hooks/common/useRoofFn.js b/src/hooks/common/useRoofFn.js
index 0635b89e..fe3841f7 100644
--- a/src/hooks/common/useRoofFn.js
+++ b/src/hooks/common/useRoofFn.js
@@ -27,6 +27,9 @@ export function useRoofFn() {
       if (!polygon) {
         return
       }
+      if (polygon.wall) {
+        return
+      }
       if (polygon.points.length < 3) {
         return
       }