diff --git a/sources/editor/esevent/eseventaddpolygon.cpp b/sources/editor/esevent/eseventaddpolygon.cpp
index eaf3e7746..a241ffcf0 100644
--- a/sources/editor/esevent/eseventaddpolygon.cpp
+++ b/sources/editor/esevent/eseventaddpolygon.cpp
@@ -110,7 +110,12 @@ bool ESEventAddPolygon::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event)
 		if (m_polygon)
 		{
 			m_polygon->removeLastPoint();
-			m_scene   -> undoStack().push(new AddPartCommand(QObject::tr("Polygone"), m_scene, m_polygon));
+			if (m_polygon->polygon().first() == m_polygon->polygon().last())
+			{
+				m_polygon->removeLastPoint();
+				m_polygon->setClosed(true);
+			}
+			m_scene->undoStack().push(new AddPartCommand(QObject::tr("Polygone"), m_scene, m_polygon));
 
 				//Set m_polygon to nullptr for create new polygon at next mouse press
 			m_polygon = nullptr;