diff --git a/src/util/qpolygon-utils.js b/src/util/qpolygon-utils.js
index 7eed8fa9..6a16bade 100644
--- a/src/util/qpolygon-utils.js
+++ b/src/util/qpolygon-utils.js
@@ -911,8 +911,8 @@ export const drawGableRoof = (roofId, canvas, textMode) => {
       const backY1 = Math.min(backward.eaves.y1, backward.eaves.y2)
       const backY2 = Math.max(backward.eaves.y1, backward.eaves.y2)
       return (
-        (analyze.isHorizontal && Math.abs(currentX1 - backX1) < 1 && Math.abs(currentX2 - backX2) < 1) ||
-        (analyze.isVertical && Math.abs(currentY1 - backY1) < 1 && Math.abs(currentY2 - backY2) < 1)
+        (analyze.isHorizontal && Math.abs(currentX1 - backX1) < 0.1 && Math.abs(currentX2 - backX2) < 0.1) ||
+        (analyze.isVertical && Math.abs(currentY1 - backY1) < 0.1 && Math.abs(currentY2 - backY2) < 0.1)
       )
     })
     if (backWardLine) {
@@ -1395,6 +1395,11 @@ export const drawGableRoof = (roofId, canvas, textMode) => {
         }
       })
     }
+    canvas
+      .getObjects()
+      .filter((obj) => obj.name === 'check')
+      .forEach((obj) => canvas.remove(obj))
+    canvas.renderAll()
   }
 
   forwardLines.forEach((forward) => {