diff --git a/src/components/fabric/QPolygon.js b/src/components/fabric/QPolygon.js
index 8c8c3b9e..378793f0 100644
--- a/src/components/fabric/QPolygon.js
+++ b/src/components/fabric/QPolygon.js
@@ -15,7 +15,7 @@ export default class QPolygon extends fabric.Group {
   canvas
   fontSize
   qCells = []
-  outerPolygon
+  roof
   name
   constructor(points, options, canvas) {
     if (!options.fontSize) {
@@ -333,7 +333,7 @@ export default class QPolygon extends fabric.Group {
       offsetPoints.push(offsetPoint)
     }
 
-    const outPolygon = new QPolygon(
+    const roof = new QPolygon(
       offsetPoints,
       {
         stroke: 'black',
@@ -344,7 +344,7 @@ export default class QPolygon extends fabric.Group {
       this.canvas,
     )
 
-    this.outerPolygon = outPolygon
+    this.roof = roof
 
     this.addWithUpdate(outPolygon)
     this.canvas.renderAll()