diff --git a/src/meshlab/glarea.cpp b/src/meshlab/glarea.cpp
index 1d37261b4..176a5b23c 100644
--- a/src/meshlab/glarea.cpp
+++ b/src/meshlab/glarea.cpp
@@ -105,12 +105,8 @@ GLArea::GLArea(MultiViewer_Container *mvcont, RichParameterSet *current)
 
 GLArea::~GLArea()
 {
-	if (iRenderer) 
-		iRenderer->Finalize(currentShader, this->md(), this);
-	if(targetTex) glDeleteTextures(1, &targetTex);
 }
 
-
 /*
 This member returns the information of the Mesh in terms of VC,VQ,FC,FQ,WT
 where:
@@ -724,6 +720,9 @@ bool GLArea::readyToClose()
 	}
 	if(getCurrentEditAction()) 
 		endEdit();
+	if (iRenderer) 
+		iRenderer->Finalize(currentShader, this->md(), this);
+	if(targetTex) glDeleteTextures(1, &targetTex);
 	emit glareaClosed();
 	return true;
 }
diff --git a/src/meshlab/glarea.h b/src/meshlab/glarea.h
index 443d26653..88073ddb3 100644
--- a/src/meshlab/glarea.h
+++ b/src/meshlab/glarea.h
@@ -81,6 +81,7 @@ public:
     GLArea(MultiViewer_Container *mvcont, RichParameterSet *current);
 	~GLArea();
 	static void initGlobalParameterSet( RichParameterSet * /*globalparam*/);
+
 private:
   int id;  //the very important unique id of each subwindow.
 
diff --git a/src/meshlab/multiViewer_Container.cpp b/src/meshlab/multiViewer_Container.cpp
index de8166b2e..2c49c8311 100644
--- a/src/meshlab/multiViewer_Container.cpp
+++ b/src/meshlab/multiViewer_Container.cpp
@@ -73,10 +73,6 @@ MultiViewer_Container::MultiViewer_Container(QWidget *parent)
 
 MultiViewer_Container::~MultiViewer_Container()
 {
-  //foreach(GLArea* viewer, viewerList)
-  //{
-		//delete viewer;
-  //}
 }
 
 int MultiViewer_Container::getNextViewerId(){
diff --git a/src/meshlab/multiViewer_Container.h b/src/meshlab/multiViewer_Container.h
index fd74027f4..2eaa18775 100644
--- a/src/meshlab/multiViewer_Container.h
+++ b/src/meshlab/multiViewer_Container.h
@@ -84,8 +84,10 @@ public:
 	int getViewerByPicking(QPoint);
 
 	void updateTrackballInViewers();
-	void closeEvent(QCloseEvent *event);
 
+protected:
+	void closeEvent(QCloseEvent *event);
+public:
 	MeshDocument meshDoc;
   int currentId;
 
@@ -98,7 +100,6 @@ public slots:
 
 	// Called when we change viewer, set the current viewer
     void updateCurrent(int current);
-	
 private:
   QList<GLArea *> viewerList; /// widgets for the OpenGL contexts and images
 };