diff --git a/src/components/fabric/QPolygon.js b/src/components/fabric/QPolygon.js
index c049a541..106a880f 100644
--- a/src/components/fabric/QPolygon.js
+++ b/src/components/fabric/QPolygon.js
@@ -249,6 +249,7 @@ export const QPolygon = fabric.util.createClass(fabric.Polygon, {
         // && obj.name !== 'outerLinePoint',
       )
       .forEach((obj) => this.canvas.remove(obj))
+    this.innerLines = []
     this.canvas.renderAll()
 
     let textMode = 'plane'