diff --git a/src/domain/UBGraphicsPolygonItem.h b/src/domain/UBGraphicsPolygonItem.h
index eb5eb815..8dcc26b1 100644
--- a/src/domain/UBGraphicsPolygonItem.h
+++ b/src/domain/UBGraphicsPolygonItem.h
@@ -109,6 +109,8 @@ class UBGraphicsPolygonItem : public QGraphicsPolygonItem, public UBItem
         qreal originalWidth() { return mOriginalWidth;}
         bool isNominalLine() {return mIsNominalLine;}
 
+        void setNominalLine(bool isNominalLine) { mIsNominalLine = isNominalLine; }
+
         QColor colorOnDarkBackground() const
         {
             return mColorOnDarkBackground;
diff --git a/src/domain/UBGraphicsScene.cpp b/src/domain/UBGraphicsScene.cpp
index 0ee33c5c..a70c5528 100644
--- a/src/domain/UBGraphicsScene.cpp
+++ b/src/domain/UBGraphicsScene.cpp
@@ -893,6 +893,7 @@ void UBGraphicsScene::eraseLineTo(const QPointF &pEndPoint, const qreal &pWidth)
                 UBGraphicsPolygonItem* polygonItem = new UBGraphicsPolygonItem(intersectedPolygons[i][j], intersectedPolygonItem->parentItem());
 
                 intersectedPolygonItem->copyItemParameters(polygonItem);
+                polygonItem->setNominalLine(false);
                 polygonItem->setStroke(intersectedPolygonItem->stroke());
                 polygonItem->setStrokesGroup(intersectedPolygonItem->strokesGroup());
                 intersectedPolygonItem->strokesGroup()->addToGroup(polygonItem);