diff --git a/src/hooks/roofcover/useRoofAllocationSetting.js b/src/hooks/roofcover/useRoofAllocationSetting.js
index f8ad7d30..79510bc1 100644
--- a/src/hooks/roofcover/useRoofAllocationSetting.js
+++ b/src/hooks/roofcover/useRoofAllocationSetting.js
@@ -356,7 +356,7 @@ export function useRoofAllocationSetting(id) {
     roofBases.forEach((roof) => {
       if (roof.separatePolygon.length === 0) {
         roof.innerLines.forEach((line) => {
-          if (!line.attributes.actualSize || line.attributes?.actualSize === 0) {
+          if ((!line.attributes.actualSize || line.attributes?.actualSize === 0) && line.length > 1) {
             line.set({ strokeWidth: 4, stroke: 'black', selectable: true })
             result = true
           }