diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/zone_painter/zone_painter_main_window.cpp b/code/nel/tools/3d/object_viewer_qt/src/plugins/zone_painter/zone_painter_main_window.cpp
index 1bd91f667..01086f231 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/zone_painter/zone_painter_main_window.cpp
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/zone_painter/zone_painter_main_window.cpp
@@ -77,7 +77,7 @@ ZonePainterMainWindow::ZonePainterMainWindow(QWidget *parent) :
 
     Core::ICore::instance()->mainWindow()->statusBar()->addPermanentWidget(m_statusInfo);
 
-	
+	m_undoStack = new QUndoStack(this);
 }
 
 void ZonePainterMainWindow::showEvent(QShowEvent *showEvent)
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/zone_painter/zone_painter_main_window.h b/code/nel/tools/3d/object_viewer_qt/src/plugins/zone_painter/zone_painter_main_window.h
index d55eb39e5..0dbfd9948 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/zone_painter/zone_painter_main_window.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/zone_painter/zone_painter_main_window.h
@@ -5,6 +5,7 @@
 #include <QTimer>
 #include <QLabel>
 #include <QAction>
+#include <QtGui/QUndoStack>
 
 namespace NLQT {
 	class QNLWidget;
@@ -26,7 +27,7 @@ public:
 
 	void loadConfig();
 	void saveConfig();
-
+	QUndoStack *getUndoStack() { return m_undoStack; }
 public Q_SLOTS:
 	void setToolMode(int value);
 	void setToolMode();
@@ -49,7 +50,7 @@ private:
 	QAction *_toolSelectModeAction;
 	QAction *_toolPickModeAction;
 	QMenu *_toolModeMenu;
-
+	QUndoStack *m_undoStack;
 	//QAction *m_setBackColorAction;
 };
 
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/zone_painter/zone_painter_plugin.h b/code/nel/tools/3d/object_viewer_qt/src/plugins/zone_painter/zone_painter_plugin.h
index aeae39ba6..0d5b9296a 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/zone_painter/zone_painter_plugin.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/zone_painter/zone_painter_plugin.h
@@ -79,28 +79,38 @@ class CZonePainterContext: public Core::IContext
 {
 	Q_OBJECT
 public:
-	CZonePainterContext(QObject *parent = 0): IContext(parent)
-	{
-		m_zonePainterMainWindow = new ZonePainterMainWindow();
-	}
-	virtual ~CZonePainterContext() {}
-
-	virtual QString id() const
-	{
-		return QLatin1String("ZonePainterContext");
-	}
-	virtual QString trName() const
-	{
-		return tr("Zone Painter");
-	}
-	virtual QIcon icon() const
-	{
-		return QIcon();
-	}
-	virtual QWidget *widget()
-	{
-		return m_zonePainterMainWindow;
-	}
+	CZonePainterContext(QObject *parent = 0): IContext(parent)
+	{
+		m_zonePainterMainWindow = new ZonePainterMainWindow();
+	}
+	virtual ~CZonePainterContext() {}
+
+	virtual QString id() const
+	{
+		return QLatin1String("ZonePainterContext");
+	}
+	virtual QString trName() const
+	{
+		return tr("Zone Painter");
+	}
+	virtual QIcon icon() const
+	{
+		return QIcon();
+	}
+	virtual QWidget *widget()
+	{
+		return m_zonePainterMainWindow;
+	}
+
+        virtual QUndoStack *undoStack()
+        {
+                return m_zonePainterMainWindow->getUndoStack();
+        }
+        virtual void open()
+        {
+        }
+
+
 	ZonePainterMainWindow *m_zonePainterMainWindow;
 };
 
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/zone_painter/zone_painter_settings_page.cpp b/code/nel/tools/3d/object_viewer_qt/src/plugins/zone_painter/zone_painter_settings_page.cpp
index 69c4e7525..e59f76da1 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/zone_painter/zone_painter_settings_page.cpp
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/zone_painter/zone_painter_settings_page.cpp
@@ -53,6 +53,11 @@ QString CZonePainterSettingsPage::trCategory() const
 	return tr("General");
 }
 
+QIcon CZonePainterSettingsPage::categoryIcon() const
+{
+        return QIcon();
+}
+
 QWidget *CZonePainterSettingsPage::createPage(QWidget *parent)
 {
 	_currentPage = new QWidget(parent);
@@ -64,4 +69,4 @@ void CZonePainterSettingsPage::apply()
 {
 }
 
-} /* namespace Plugin */
\ No newline at end of file
+} /* namespace Plugin */
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/zone_painter/zone_painter_settings_page.h b/code/nel/tools/3d/object_viewer_qt/src/plugins/zone_painter/zone_painter_settings_page.h
index 8e4b3f3d6..d84b117eb 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/plugins/zone_painter/zone_painter_settings_page.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/zone_painter/zone_painter_settings_page.h
@@ -43,6 +43,7 @@ public:
 	virtual QString trName() const;
 	virtual QString category() const;
 	virtual QString trCategory() const;
+	QIcon categoryIcon() const;
 	virtual QWidget *createPage(QWidget *parent);
 
 	virtual void apply();