diff --git a/src/app/valentina/mainwindow.cpp b/src/app/valentina/mainwindow.cpp
index 672f783d4..af59bd5ea 100644
--- a/src/app/valentina/mainwindow.cpp
+++ b/src/app/valentina/mainwindow.cpp
@@ -1199,18 +1199,28 @@ void MainWindow::ToolBarOption()
         delete gradationSizes;
         gradationSizes = nullptr;
     }
+    if (not gradationHeightsLabel.isNull())
+    {
+        gradationHeightsLabel.clear();
+    }
+    if (not gradationSizesLabel.isNull())
+    {
+        gradationSizesLabel.clear();
+    }
 
     if (qApp->patternType() == MeasurementsType::Standard)
     {
         const QStringList listHeights = VMeasurement::ListHeights(doc->GetGradationHeights(), qApp->patternUnit());
         const QStringList listSizes = VMeasurement::ListSizes(doc->GetGradationSizes(), qApp->patternUnit());
 
-        gradationHeights = SetGradationList(tr("Height: "), listHeights);
+        gradationHeightsLabel = new QLabel(tr("Height: "), this);
+        gradationHeights = SetGradationList(gradationHeightsLabel, listHeights);
         SetDefaultHeight(static_cast<int>(pattern->height()));
         connect(gradationHeights, static_cast<void (QComboBox::*)(const QString &)>(&QComboBox::currentIndexChanged),
                 this, &MainWindow::ChangedHeight);
 
-        gradationSizes = SetGradationList(tr("Size: "), listSizes);
+        gradationSizesLabel = new QLabel(tr("Size: "), this);
+        gradationSizes = SetGradationList(gradationSizesLabel, listSizes);
         SetDefaultSize(static_cast<int>(pattern->size()));
         connect(gradationSizes, static_cast<void (QComboBox::*)(const QString &)>(&QComboBox::currentIndexChanged),
                 this, &MainWindow::ChangedSize);
@@ -1223,9 +1233,9 @@ void MainWindow::ToolBarOption()
 }
 
 //---------------------------------------------------------------------------------------------------------------------
-QComboBox *MainWindow::SetGradationList(const QString &label, const QStringList &list)
+QComboBox *MainWindow::SetGradationList(QPointer<QLabel> &label, const QStringList &list)
 {
-    ui->toolBarOption->addWidget(new QLabel(label, this));
+    ui->toolBarOption->addWidget(label.data());
 
     QComboBox *comboBox = new QComboBox(this);
     comboBox->addItems(list);
diff --git a/src/app/valentina/mainwindow.h b/src/app/valentina/mainwindow.h
index d934cfa93..436d5e0c5 100644
--- a/src/app/valentina/mainwindow.h
+++ b/src/app/valentina/mainwindow.h
@@ -38,6 +38,7 @@
 #include "tools/drawTools/drawtools.h"
 #include "core/vcmdexport.h"
 #include <QLockFile>
+#include <QPointer>
 
 #include <QFileSystemWatcher>
 
@@ -229,6 +230,8 @@ private:
     bool               guiEnabled;
     QComboBox          *gradationHeights;
     QComboBox          *gradationSizes;
+    QPointer<QLabel>   gradationHeightsLabel;
+    QPointer<QLabel>   gradationSizesLabel;
     VToolOptionsPropertyBrowser *toolOptions;
 #if QT_VERSION >= QT_VERSION_CHECK(5, 1, 0)
     QLockFile          *lock;
@@ -276,7 +279,7 @@ private:
     void               InitAutoSave();
     QString            PatternPieceName(const QString &text);
     QString            CheckPathToMeasurements(const QString &patternPath, const QString &path);
-    QComboBox          *SetGradationList(const QString &label, const QStringList &list);
+    QComboBox          *SetGradationList(QPointer<QLabel> &label, const QStringList &list);
     void               ChangePP(int index, bool zoomBestFit = true);
     /**
      * @brief EndVisualization try show dialog after and working with tool visualization.