diff --git a/src/app/container/vcontainer.cpp b/src/app/container/vcontainer.cpp
index 0e9960bd4..865c79c56 100644
--- a/src/app/container/vcontainer.cpp
+++ b/src/app/container/vcontainer.cpp
@@ -37,6 +37,7 @@
 quint32 VContainer::_id = NULL_ID;
 qreal VContainer::_size = 50;
 qreal VContainer::_height = 176;
+QSet<const QString> VContainer::uniqueNames = QSet<const QString>();
 
 //---------------------------------------------------------------------------------------------------------------------
 /**
@@ -138,6 +139,7 @@ quint32 VContainer::AddGObject(VGObject *obj)
 {
     SCASSERT(obj != nullptr);
     QSharedPointer<VGObject> pointer(obj);
+    uniqueNames.insert(obj->name());
     return AddObject(d->gObjects, pointer);
 }
 
@@ -210,6 +212,7 @@ void VContainer::Clear()
     d->details.clear();
     ClearVariables();
     ClearGObjects();
+    ClearUniqueNames();
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -334,6 +337,7 @@ void VContainer::UpdateGObject(quint32 id, VGObject* obj)
     SCASSERT(obj != nullptr);
     QSharedPointer<VGObject> pointer(obj);
     UpdateObject(d->gObjects, id, pointer);
+    uniqueNames.insert(obj->name());
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -407,6 +411,12 @@ const QMap<QString, QSharedPointer<VLineAngle> > VContainer::DataAngleLines() co
     return DataVar<VLineAngle>(VarType::LineAngle);
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+bool VContainer::IsUnique(const QString &name)
+{
+    return !uniqueNames.contains(name);
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 /**
  * @brief VariableExist check if exist variable this same name.
@@ -442,6 +452,12 @@ void VContainer::ClearDetails()
     d->details.clear();
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VContainer::ClearUniqueNames()
+{
+    uniqueNames.clear();
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 /**
  * @brief SetSize set value of size
diff --git a/src/app/container/vcontainer.h b/src/app/container/vcontainer.h
index 08cc0fa86..18eff2599 100644
--- a/src/app/container/vcontainer.h
+++ b/src/app/container/vcontainer.h
@@ -37,6 +37,7 @@
 
 #include <QCoreApplication>
 #include <QHash>
+#include <QSet>
 
 #ifdef Q_CC_GNU
     #pragma GCC diagnostic push
@@ -186,6 +187,7 @@ public:
             }
         }
         d->variables[name] = QSharedPointer<T>(var);
+        uniqueNames.insert(name);
     }
 
     void               UpdateGObject(quint32 id, VGObject* obj);
@@ -196,6 +198,7 @@ public:
     void               ClearCalculationGObjects();
     void               ClearVariables(const VarType &type = VarType::Unknown);
     void               ClearDetails();
+    static void        ClearUniqueNames();
 
     void               SetSize(qreal size);
     void               SetSizeName(const QString &name);
@@ -221,6 +224,7 @@ public:
     const QMap<QString, QSharedPointer<VArcLength> >    DataLengthArcs() const;
     const QMap<QString, QSharedPointer<VLineAngle> >    DataAngleLines() const;
 
+    static bool        IsUnique(const QString &name);
 
 private:
     /**
@@ -229,6 +233,7 @@ private:
     static quint32 _id;
     static qreal   _size;
     static qreal   _height;
+    static QSet<const QString> uniqueNames;
 
     QSharedDataPointer<VContainerData> d;
 
diff --git a/src/app/widgets/vtooloptionspropertybrowser.cpp b/src/app/widgets/vtooloptionspropertybrowser.cpp
index 8a4167768..d224da1b3 100644
--- a/src/app/widgets/vtooloptionspropertybrowser.cpp
+++ b/src/app/widgets/vtooloptionspropertybrowser.cpp
@@ -369,13 +369,12 @@ void VToolOptionsPropertyBrowser::SetPointName(const QString &name)
             return;
         }
 
-        if (name.isEmpty())
+        if (name.isEmpty() || VContainer::IsUnique(name) == false)
         {
             idToProperty[VAbstractTool::AttrName]->setValue(i->name());
         }
         else
         {
-            //TODO check if label name is unique
             i->setName(name);
         }
     }
diff --git a/src/app/xml/vpattern.cpp b/src/app/xml/vpattern.cpp
index 9142e6e4e..bbab2102d 100644
--- a/src/app/xml/vpattern.cpp
+++ b/src/app/xml/vpattern.cpp
@@ -2326,6 +2326,10 @@ void VPattern::PrepareForParse(const Document &parse)
         cursor = 0;
         history.clear();
     }
+    else if (parse == Document::LiteParse)
+    {
+        data->ClearUniqueNames();
+    }
 }
 
 //---------------------------------------------------------------------------------------------------------------------