diff --git a/src/app/valentina/core/vtooloptionspropertybrowser.cpp b/src/app/valentina/core/vtooloptionspropertybrowser.cpp
index c865db382..936e61574 100644
--- a/src/app/valentina/core/vtooloptionspropertybrowser.cpp
+++ b/src/app/valentina/core/vtooloptionspropertybrowser.cpp
@@ -480,7 +480,7 @@ void VToolOptionsPropertyBrowser::AddPropertyCrossPoint(Tool *i, const QString &
 {
     VEnumProperty* itemProperty = new VEnumProperty(propertyName);
     itemProperty->setLiterals(QStringList()<< tr("First point") << tr("Second point"));
-    itemProperty->setValue(static_cast<int>(i->GetCrossCirclesPoint()));
+    itemProperty->setValue(static_cast<int>(i->GetCrossCirclesPoint())-1);
     AddProperty(itemProperty, AttrCrossPoint);
 }
 
@@ -490,7 +490,7 @@ void VToolOptionsPropertyBrowser::AddPropertyVCrossPoint(Tool *i, const QString
 {
     auto itemProperty = new VEnumProperty(propertyName);
     itemProperty->setLiterals(QStringList()<< tr("Highest point") << tr("Lowest point"));
-    itemProperty->setValue(static_cast<int>(i->GetVCrossPoint()));
+    itemProperty->setValue(static_cast<int>(i->GetVCrossPoint())-1);
     AddProperty(itemProperty, AttrVCrossPoint);
 }
 
@@ -500,7 +500,7 @@ void VToolOptionsPropertyBrowser::AddPropertyHCrossPoint(Tool *i, const QString
 {
     auto itemProperty = new VEnumProperty(propertyName);
     itemProperty->setLiterals(QStringList()<< tr("Leftmost point") << tr("Rightmost point"));
-    itemProperty->setValue(static_cast<int>(i->GetHCrossPoint()));
+    itemProperty->setValue(static_cast<int>(i->GetHCrossPoint())-1);
     AddProperty(itemProperty, AttrHCrossPoint);
 }
 
@@ -629,9 +629,9 @@ Type VToolOptionsPropertyBrowser::GetCrossPoint(const QVariant &value)
     {
         switch(val)
         {
+            case 0:
             case 1:
-            case 2:
-                cross = static_cast<Type>(val);
+                cross = static_cast<Type>(val+1);
                 break;
             default:
                 break;
@@ -2037,7 +2037,7 @@ void VToolOptionsPropertyBrowser::UpdateOptionsToolPointOfIntersectionArcs()
     VToolPointOfIntersectionArcs *i = qgraphicsitem_cast<VToolPointOfIntersectionArcs *>(currentItem);
 
     idToProperty[AttrName]->setValue(i->name());
-    idToProperty[AttrCrossPoint]->setValue(static_cast<int>(i->GetCrossCirclesPoint()));
+    idToProperty[AttrCrossPoint]->setValue(static_cast<int>(i->GetCrossCirclesPoint())-1);
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -2046,7 +2046,7 @@ void VToolOptionsPropertyBrowser::UpdateOptionsToolPointOfIntersectionCircles()
     VToolPointOfIntersectionCircles *i = qgraphicsitem_cast<VToolPointOfIntersectionCircles *>(currentItem);
 
     idToProperty[AttrName]->setValue(i->name());
-    idToProperty[AttrCrossPoint]->setValue(static_cast<int>(i->GetCrossCirclesPoint()));
+    idToProperty[AttrCrossPoint]->setValue(static_cast<int>(i->GetCrossCirclesPoint())-1);
 
     QVariant c1Radius;
     c1Radius.setValue(i->GetFirstCircleRadius());
@@ -2063,8 +2063,8 @@ void VToolOptionsPropertyBrowser::UpdateOptionsToolPointOfIntersectionCurves()
     auto i = qgraphicsitem_cast<VToolPointOfIntersectionCurves *>(currentItem);
 
     idToProperty[AttrName]->setValue(i->name());
-    idToProperty[AttrVCrossPoint]->setValue(static_cast<int>(i->GetVCrossPoint()));
-    idToProperty[AttrHCrossPoint]->setValue(static_cast<int>(i->GetHCrossPoint()));
+    idToProperty[AttrVCrossPoint]->setValue(static_cast<int>(i->GetVCrossPoint())-1);
+    idToProperty[AttrHCrossPoint]->setValue(static_cast<int>(i->GetHCrossPoint())-1);
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -2073,7 +2073,7 @@ void VToolOptionsPropertyBrowser::UpdateOptionsToolPointFromCircleAndTangent()
     VToolPointFromCircleAndTangent *i = qgraphicsitem_cast<VToolPointFromCircleAndTangent *>(currentItem);
 
     idToProperty[AttrName]->setValue(i->name());
-    idToProperty[AttrCrossPoint]->setValue(static_cast<int>(i->GetCrossCirclesPoint()));
+    idToProperty[AttrCrossPoint]->setValue(static_cast<int>(i->GetCrossCirclesPoint())-1);
 
     QVariant cRadius;
     cRadius.setValue(i->GetCircleRadius());
@@ -2086,7 +2086,7 @@ void VToolOptionsPropertyBrowser::UpdateOptionsToolPointFromArcAndTangent()
     VToolPointFromArcAndTangent *i = qgraphicsitem_cast<VToolPointFromArcAndTangent *>(currentItem);
 
     idToProperty[AttrName]->setValue(i->name());
-    idToProperty[AttrCrossPoint]->setValue(static_cast<int>(i->GetCrossCirclesPoint()));
+    idToProperty[AttrCrossPoint]->setValue(static_cast<int>(i->GetCrossCirclesPoint())-1);
 }
 
 //---------------------------------------------------------------------------------------------------------------------
diff --git a/src/libs/vtools/dialogs/tools/dialogpointofintersectioncurves.cpp b/src/libs/vtools/dialogs/tools/dialogpointofintersectioncurves.cpp
index 9598a0bac..63fca7842 100644
--- a/src/libs/vtools/dialogs/tools/dialogpointofintersectioncurves.cpp
+++ b/src/libs/vtools/dialogs/tools/dialogpointofintersectioncurves.cpp
@@ -46,6 +46,7 @@ DialogPointOfIntersectionCurves::DialogPointOfIntersectionCurves(const VContaine
     labelEditNamePoint = ui->labelEditNamePoint;
 
     InitOkCancelApply(ui);
+    CheckState();
 
     FillComboBoxCurves(ui->comboBoxCurve1);
     FillComboBoxCurves(ui->comboBoxCurve2);
@@ -53,6 +54,10 @@ DialogPointOfIntersectionCurves::DialogPointOfIntersectionCurves(const VContaine
     FillComboBoxHCrossCurvesPoint(ui->comboBoxHCorrection);
 
     connect(ui->lineEditNamePoint, &QLineEdit::textChanged, this, &DialogPointOfIntersectionCurves::NamePointChanged);
+    connect(ui->comboBoxCurve1, static_cast<void (QComboBox::*)(const QString &)>(&QComboBox::currentIndexChanged),
+            this, &DialogPointOfIntersectionCurves::CurveChanged);
+    connect(ui->comboBoxCurve2, static_cast<void (QComboBox::*)(const QString &)>(&QComboBox::currentIndexChanged),
+            this, &DialogPointOfIntersectionCurves::CurveChanged);
 
     vis = new VisToolPointOfIntersectionCurves(data);
 }
@@ -80,7 +85,7 @@ quint32 DialogPointOfIntersectionCurves::GetFirstCurveId() const
 //---------------------------------------------------------------------------------------------------------------------
 void DialogPointOfIntersectionCurves::SetFirstCurveId(const quint32 &value)
 {
-    setCurrentPointId(ui->comboBoxCurve1, value);
+    setCurrentCurveId(ui->comboBoxCurve1, value);
 
     auto point = qobject_cast<VisToolPointOfIntersectionCurves *>(vis);
     SCASSERT(point != nullptr);
@@ -96,7 +101,7 @@ quint32 DialogPointOfIntersectionCurves::GetSecondCurveId() const
 //---------------------------------------------------------------------------------------------------------------------
 void DialogPointOfIntersectionCurves::SetSecondCurveId(const quint32 &value)
 {
-    setCurrentPointId(ui->comboBoxCurve2, value);
+    setCurrentCurveId(ui->comboBoxCurve2, value);
 
     auto point = qobject_cast<VisToolPointOfIntersectionCurves *>(vis);
     SCASSERT(point != nullptr);
@@ -202,3 +207,34 @@ void DialogPointOfIntersectionCurves::SaveData()
     point->setHCrossPoint(GetHCrossPoint());
     point->RefreshGeometry();
 }
+
+//---------------------------------------------------------------------------------------------------------------------
+void DialogPointOfIntersectionCurves::CheckState()
+{
+    SCASSERT(bOk != nullptr);
+    bOk->setEnabled(flagName && flagError);
+    // In case dialog hasn't apply button
+    if ( bApply != nullptr)
+    {
+        bApply->setEnabled(bOk->isEnabled());
+    }
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void DialogPointOfIntersectionCurves::CurveChanged()
+{
+    QColor color = okColor;
+    if (getCurrentObjectId(ui->comboBoxCurve1) == getCurrentObjectId(ui->comboBoxCurve2))
+    {
+        flagError = false;
+        color = errorColor;
+    }
+    else
+    {
+        flagError = true;
+        color = okColor;
+    }
+    ChangeColor(ui->labelCurve1, color);
+    ChangeColor(ui->labelCurve2, color);
+    CheckState();
+}
diff --git a/src/libs/vtools/dialogs/tools/dialogpointofintersectioncurves.h b/src/libs/vtools/dialogs/tools/dialogpointofintersectioncurves.h
index d70b1bc34..7b6aea822 100644
--- a/src/libs/vtools/dialogs/tools/dialogpointofintersectioncurves.h
+++ b/src/libs/vtools/dialogs/tools/dialogpointofintersectioncurves.h
@@ -67,6 +67,10 @@ protected:
      * @brief SaveData Put dialog data in local variables
      */
     virtual void SaveData() Q_DECL_OVERRIDE;
+    virtual void CheckState() Q_DECL_OVERRIDE;
+
+private slots:
+    void CurveChanged();
 
 private:
     Q_DISABLE_COPY(DialogPointOfIntersectionCurves)
diff --git a/src/libs/vtools/dialogs/tools/dialogpointofintersectioncurves.ui b/src/libs/vtools/dialogs/tools/dialogpointofintersectioncurves.ui
index 2ce932e5d..4fb60acd9 100644
--- a/src/libs/vtools/dialogs/tools/dialogpointofintersectioncurves.ui
+++ b/src/libs/vtools/dialogs/tools/dialogpointofintersectioncurves.ui
@@ -24,7 +24,7 @@
       <enum>QFormLayout::ExpandingFieldsGrow</enum>
      </property>
      <item row="0" column="0">
-      <widget class="QLabel" name="label_4">
+      <widget class="QLabel" name="labelCurve1">
        <property name="sizePolicy">
         <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
          <horstretch>0</horstretch>
@@ -44,7 +44,7 @@
       </widget>
      </item>
      <item row="1" column="0">
-      <widget class="QLabel" name="label_5">
+      <widget class="QLabel" name="labelCurve2">
        <property name="sizePolicy">
         <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
          <horstretch>0</horstretch>