diff --git a/src/hooks/usePolygon.js b/src/hooks/usePolygon.js
index bc63c50c..e846760b 100644
--- a/src/hooks/usePolygon.js
+++ b/src/hooks/usePolygon.js
@@ -1982,7 +1982,7 @@ export const usePolygon = () => {
         const line1 = allRoofLines[i]
         const line2 = allRoofLines[j]
         const diff = Math.abs(line1.length - line2.length)
-        if (diff > 0 && diff <= 1) {
+        if (diff > 0 && diff <= 2) {
           const minLength = Math.min(line1.length, line2.length)
           line1.setLengthByValue(minLength * 10)
           line2.setLengthByValue(minLength * 10)